diff --git a/client/src/extension.ts b/client/src/extension.ts
index 0b4313a..98590f0 100644
--- a/client/src/extension.ts
+++ b/client/src/extension.ts
@@ -2,7 +2,7 @@ import * as vscode from 'vscode'
 import * as vscodeLang from 'vscode-languageclient'
 import * as path from 'path'
 
-export function activate(context: vscode.ExtensionContext) {
+export async function activate(context: vscode.ExtensionContext) {
   const serverModule = context.asAbsolutePath(path.join('server', 'out', 'server.js'))
 
   const debugOpts = { execArgv: ['--nolazy', '--inspect=6009']}
@@ -27,4 +27,10 @@ export function activate(context: vscode.ExtensionContext) {
   const langServer = new vscodeLang.LanguageClient('vscode-mc-shader', serverOpts, clientOpts)
 
   context.subscriptions.push(langServer.start())
+
+  await langServer.onReady()
+
+  langServer.onNotification('update-config', (dir: string) => {
+    vscode.workspace.getConfiguration().update('mcglsl.glslangValidatorPath', dir, vscode.ConfigurationTarget.Global)
+  })
 }
\ No newline at end of file
diff --git a/server/package-lock.json b/server/package-lock.json
index 9055cd2..9b2beea 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -1,9 +1,256 @@
 {
 	"name": "vscode-mc-shader-server",
-	"version": "0.0.1",
+	"version": "0.8.0",
 	"lockfileVersion": 1,
 	"requires": true,
 	"dependencies": {
+		"@types/node": {
+			"version": "10.5.2",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-10.5.2.tgz",
+			"integrity": "sha512-m9zXmifkZsMHZBOyxZWilMwmTlpC8x5Ty360JKTiXvlXZfBWYpsg9ZZvP/Ye+iZUh+Q+MxDLjItVTWIsfwz+8Q=="
+		},
+		"@types/node-fetch": {
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.1.1.tgz",
+			"integrity": "sha512-IfDil0fSMq59n4UsIzgRd5gsgmgn9dl9PzZbguKPsGBpLEIFC7Fr4AroQjIeCYOcDsP1Lszm10wirpaEP26Lhg==",
+			"requires": {
+				"@types/node": "*"
+			}
+		},
+		"@types/unzip": {
+			"version": "0.1.1",
+			"resolved": "https://registry.npmjs.org/@types/unzip/-/unzip-0.1.1.tgz",
+			"integrity": "sha512-skD6Um7Pk2l7y+tVOKSgOA9vXViyhk/qJYmr17Ek4Uw3Zgo/DWPScphTPztPbApTIngyYSJnkEW87xrHzRYaew==",
+			"requires": {
+				"@types/node": "*"
+			}
+		},
+		"balanced-match": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+			"integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
+		},
+		"binary": {
+			"version": "0.3.0",
+			"resolved": "https://registry.npmjs.org/binary/-/binary-0.3.0.tgz",
+			"integrity": "sha1-n2BVO8XOjDOG87VTz/R0Yq3sqnk=",
+			"requires": {
+				"buffers": "~0.1.1",
+				"chainsaw": "~0.1.0"
+			}
+		},
+		"brace-expansion": {
+			"version": "1.1.11",
+			"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+			"integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+			"requires": {
+				"balanced-match": "^1.0.0",
+				"concat-map": "0.0.1"
+			}
+		},
+		"buffers": {
+			"version": "0.1.1",
+			"resolved": "https://registry.npmjs.org/buffers/-/buffers-0.1.1.tgz",
+			"integrity": "sha1-skV5w77U1tOWru5tmorn9Ugqt7s="
+		},
+		"chainsaw": {
+			"version": "0.1.0",
+			"resolved": "https://registry.npmjs.org/chainsaw/-/chainsaw-0.1.0.tgz",
+			"integrity": "sha1-XqtQsor+WAdNDVgpE4iCi15fvJg=",
+			"requires": {
+				"traverse": ">=0.3.0 <0.4"
+			}
+		},
+		"concat-map": {
+			"version": "0.0.1",
+			"resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+			"integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
+		},
+		"core-util-is": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+			"integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+		},
+		"fs.realpath": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+			"integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
+		},
+		"fstream": {
+			"version": "0.1.31",
+			"resolved": "https://registry.npmjs.org/fstream/-/fstream-0.1.31.tgz",
+			"integrity": "sha1-czfwWPu7vvqMn1YaKMqwhJICyYg=",
+			"requires": {
+				"graceful-fs": "~3.0.2",
+				"inherits": "~2.0.0",
+				"mkdirp": "0.5",
+				"rimraf": "2"
+			}
+		},
+		"glob": {
+			"version": "7.1.2",
+			"resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+			"integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+			"requires": {
+				"fs.realpath": "^1.0.0",
+				"inflight": "^1.0.4",
+				"inherits": "2",
+				"minimatch": "^3.0.4",
+				"once": "^1.3.0",
+				"path-is-absolute": "^1.0.0"
+			}
+		},
+		"graceful-fs": {
+			"version": "3.0.11",
+			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-3.0.11.tgz",
+			"integrity": "sha1-dhPHeKGv6mLyXGMKCG1/Osu92Bg=",
+			"requires": {
+				"natives": "^1.1.0"
+			}
+		},
+		"inflight": {
+			"version": "1.0.6",
+			"resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+			"integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+			"requires": {
+				"once": "^1.3.0",
+				"wrappy": "1"
+			}
+		},
+		"inherits": {
+			"version": "2.0.3",
+			"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+			"integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
+		},
+		"isarray": {
+			"version": "0.0.1",
+			"resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+			"integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+		},
+		"match-stream": {
+			"version": "0.0.2",
+			"resolved": "https://registry.npmjs.org/match-stream/-/match-stream-0.0.2.tgz",
+			"integrity": "sha1-mesFAJOzTf+t5CG5rAtBCpz6F88=",
+			"requires": {
+				"buffers": "~0.1.1",
+				"readable-stream": "~1.0.0"
+			}
+		},
+		"minimatch": {
+			"version": "3.0.4",
+			"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+			"integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+			"requires": {
+				"brace-expansion": "^1.1.7"
+			}
+		},
+		"minimist": {
+			"version": "0.0.8",
+			"resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+			"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+		},
+		"mkdirp": {
+			"version": "0.5.1",
+			"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+			"integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+			"requires": {
+				"minimist": "0.0.8"
+			}
+		},
+		"natives": {
+			"version": "1.1.4",
+			"resolved": "https://registry.npmjs.org/natives/-/natives-1.1.4.tgz",
+			"integrity": "sha512-Q29yeg9aFKwhLVdkTAejM/HvYG0Y1Am1+HUkFQGn5k2j8GS+v60TVmZh6nujpEAj/qql+wGUrlryO8bF+b1jEg=="
+		},
+		"node-fetch": {
+			"version": "2.1.2",
+			"resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
+			"integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U="
+		},
+		"once": {
+			"version": "1.4.0",
+			"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+			"integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+			"requires": {
+				"wrappy": "1"
+			}
+		},
+		"over": {
+			"version": "0.0.5",
+			"resolved": "https://registry.npmjs.org/over/-/over-0.0.5.tgz",
+			"integrity": "sha1-8phS5w/X4l82DgE6jsRMgq7bVwg="
+		},
+		"path-is-absolute": {
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+			"integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
+		},
+		"pullstream": {
+			"version": "0.4.1",
+			"resolved": "https://registry.npmjs.org/pullstream/-/pullstream-0.4.1.tgz",
+			"integrity": "sha1-1vs79a7Wl+gxFQ6xACwlo/iuExQ=",
+			"requires": {
+				"over": ">= 0.0.5 < 1",
+				"readable-stream": "~1.0.31",
+				"setimmediate": ">= 1.0.2 < 2",
+				"slice-stream": ">= 1.0.0 < 2"
+			}
+		},
+		"readable-stream": {
+			"version": "1.0.34",
+			"resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+			"integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+			"requires": {
+				"core-util-is": "~1.0.0",
+				"inherits": "~2.0.1",
+				"isarray": "0.0.1",
+				"string_decoder": "~0.10.x"
+			}
+		},
+		"rimraf": {
+			"version": "2.6.2",
+			"resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
+			"integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+			"requires": {
+				"glob": "^7.0.5"
+			}
+		},
+		"setimmediate": {
+			"version": "1.0.5",
+			"resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
+			"integrity": "sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU="
+		},
+		"slice-stream": {
+			"version": "1.0.0",
+			"resolved": "https://registry.npmjs.org/slice-stream/-/slice-stream-1.0.0.tgz",
+			"integrity": "sha1-WzO9ZvATsaf4ZGCwPUY97DmtPqA=",
+			"requires": {
+				"readable-stream": "~1.0.31"
+			}
+		},
+		"string_decoder": {
+			"version": "0.10.31",
+			"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+			"integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+		},
+		"traverse": {
+			"version": "0.3.9",
+			"resolved": "https://registry.npmjs.org/traverse/-/traverse-0.3.9.tgz",
+			"integrity": "sha1-cXuPIgzAu3tE5AUUwisui7xw2Lk="
+		},
+		"unzip": {
+			"version": "0.1.11",
+			"resolved": "https://registry.npmjs.org/unzip/-/unzip-0.1.11.tgz",
+			"integrity": "sha1-iXScY7BY19kNYZ+GuYqhU107l/A=",
+			"requires": {
+				"binary": ">= 0.3.0 < 1",
+				"fstream": ">= 0.1.30 < 1",
+				"match-stream": ">= 0.0.2 < 1",
+				"pullstream": ">= 0.4.1 < 1",
+				"readable-stream": "~1.0.31",
+				"setimmediate": ">= 1.0.1 < 2"
+			}
+		},
 		"vscode-jsonrpc": {
 			"version": "3.6.2",
 			"resolved": "https://registry.npmjs.org/vscode-jsonrpc/-/vscode-jsonrpc-3.6.2.tgz",
@@ -36,6 +283,11 @@
 			"version": "1.0.3",
 			"resolved": "https://registry.npmjs.org/vscode-uri/-/vscode-uri-1.0.3.tgz",
 			"integrity": "sha1-Yxvb9xbcyrDmUpGo3CXCMjIIWlI="
+		},
+		"wrappy": {
+			"version": "1.0.2",
+			"resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+			"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
 		}
 	}
 }
diff --git a/server/package.json b/server/package.json
index 7bb32b0..a84fa35 100644
--- a/server/package.json
+++ b/server/package.json
@@ -12,6 +12,10 @@
 		"node": "*"
 	},
 	"dependencies": {
+		"@types/node-fetch": "^2.1.1",
+		"@types/unzip": "^0.1.1",
+		"node-fetch": "^2.1.2",
+		"unzip": "^0.1.11",
 		"vscode-languageserver": "^4.1.3"
 	},
 	"scripts": {
diff --git a/server/src/config.ts b/server/src/config.ts
index be19647..22bd034 100644
--- a/server/src/config.ts
+++ b/server/src/config.ts
@@ -1,9 +1,71 @@
-export class Config {
-  public readonly shaderpacksPath: string
-  public readonly glslangPath: string
+import { connection, documents, onEvent } from './server'
+import { exec, execSync } from 'child_process'
+import { extname } from 'path'
+import fetch from 'node-fetch'
+import { platform } from 'os'
+import { createWriteStream, chmodSync, createReadStream, unlinkSync } from 'fs'
+import * as unzip from 'unzip'
 
-  constructor(shaderpacksPath: string, glslangPath: string) {
-    this.shaderpacksPath = shaderpacksPath
-    this.glslangPath = glslangPath || 'glslangValidator'
+const url = {
+  'win32': 'https://github.com/KhronosGroup/glslang/releases/download/master-tot/glslang-master-windows-x64-Release.zip',
+  'linux': 'https://github.com/KhronosGroup/glslang/releases/download/master-tot/glslang-master-linux-Release.zip',
+  'darwin': 'https://github.com/KhronosGroup/glslang/releases/download/master-tot/glslang-master-osx-Release.zip'
+}
+
+export interface Config {
+  readonly shaderpacksPath: string
+  readonly glslangPath: string
+}
+
+export let conf: Partial<Config> = {}
+
+connection.onDidChangeConfiguration(async (change) => {
+  const temp = change.settings.mcglsl as Config
+  conf = {shaderpacksPath: temp['shaderpacksPath'], glslangPath: temp['glslangValidatorPath']}
+  try {
+    execSync(conf.glslangPath)
+    documents.all().forEach(document => onEvent)
+  } catch (e) {
+    if (e.status !== 1) {
+      const chosen = await connection.window.showErrorMessage(
+        `[mc-glsl] glslangValidator not found at: '${conf.glslangPath}' or returned non-0 code`,
+        {title: 'Download'},
+        {title: 'Cancel'}
+      )
+
+      if (!chosen || chosen.title !== 'Download') return
+
+      if (conf.shaderpacksPath === '') {
+        connection.window.showErrorMessage('Please set mcglsl.shaderpacksPath')
+        return
+      }
+
+      const res = await fetch(url[platform()])
+
+      try {
+        const zip = createWriteStream(conf.shaderpacksPath + '/glslangValidator.zip')
+        res.body.pipe(zip)
+
+        zip.on('finish', async () => {
+          createReadStream(conf.shaderpacksPath + '/glslangValidator.zip')
+            .pipe(unzip.Parse())
+            .on('entry', (entry) => {
+              if (entry.path === 'bin/glslangValidator') {
+                entry.pipe(createWriteStream(conf.shaderpacksPath + '/glslangValidator'))
+                return
+              }
+              entry.autodrain()
+            })
+            .on('close', () => {
+              chmodSync(conf.shaderpacksPath + '/glslangValidator', 0o775)
+              unlinkSync(conf.shaderpacksPath + '/glslangValidator.zip')
+              connection.sendNotification('update-config', conf.shaderpacksPath + '/glslangValidator')
+              connection.window.showInformationMessage('glslangValidator has been downloaded to ' + conf.shaderpacksPath + '/glslangValidator')
+          })
+        })
+      } catch (e) {
+        connection.window.showErrorMessage(e.message)
+      }
+    }
   }
-}
\ No newline at end of file
+})
\ No newline at end of file
diff --git a/server/src/linter.ts b/server/src/linter.ts
index a7dea21..61ebb30 100644
--- a/server/src/linter.ts
+++ b/server/src/linter.ts
@@ -1,8 +1,9 @@
 import { TextDocument, Diagnostic, DiagnosticSeverity, Range } from 'vscode-languageserver'
-import { conf, connection, documents } from './server'
+import { connection, documents } from './server'
 import { execSync } from 'child_process'
 import * as path from 'path'
 import { readFileSync } from 'fs'
+import { conf } from './config'
 
 const reDiag = /^(ERROR|WARNING): ([^?<>:*|"]+?):(\d+): (?:'.*?' : )?(.+)$/
 const reVersion = /#version [\d]{3}/
@@ -102,6 +103,7 @@ function processIncludes(lines: string[], incStack: string[]) {
 
 function mergeInclude(inc: IncludeObj, lines: string[], incStack: string[]) {
   const incPath = absPath(inc.parent, inc.match[1])
+  console.log(incPath)
   if (!incPath) return false
   const dataLines = readFileSync(incPath).toString().split('\n')
   incStack.push(incPath)
diff --git a/server/src/server.ts b/server/src/server.ts
index 1b70a79..589c0e6 100644
--- a/server/src/server.ts
+++ b/server/src/server.ts
@@ -5,14 +5,16 @@ import { completions } from './completionProvider'
 import { preprocess, ext, formatURI } from './linter'
 import { exec, execSync } from 'child_process'
 import { extname } from 'path'
+import fetch from 'node-fetch'
+import { platform } from 'os'
+import { createWriteStream, chmodSync, createReadStream, unlinkSync } from 'fs'
+import * as unzip from 'unzip'
 
 export const connection = vsclang.createConnection(new vsclang.IPCMessageReader(process), new vsclang.IPCMessageWriter(process))
 
 export const documents = new vsclang.TextDocuments()
 documents.listen(connection)
 
-export let conf = new Config('', '')
-
 connection.onInitialize((params): vsclang.InitializeResult => {
   return {
     capabilities: {
@@ -32,7 +34,7 @@ documents.onDidSave((event) => onEvent(event.document))
 
 //documents.onDidChangeContent(onEvent)
 
-function onEvent(document: vsclangproto.TextDocument) {
+export function onEvent(document: vsclangproto.TextDocument) {
   if (!ext.has(extname(document.uri))) return
   try {
     preprocess(document.getText().split('\n'), formatURI(document.uri))
@@ -41,24 +43,6 @@ function onEvent(document: vsclangproto.TextDocument) {
   }
 }
 
-connection.onDidChangeConfiguration(async (change) => {
-  const temp = change.settings.mcglsl as Config
-  conf = new Config(temp['shaderpacksPath'], temp['glslangValidatorPath'])
-  try {
-    execSync(conf.glslangPath)
-    documents.all().forEach(document => onEvent)
-  } catch (e) {
-    if (e.status !== 1) {
-      const chosen = await connection.window.showErrorMessage(
-        `[mc-glsl] glslangValidator not found at: '${conf.glslangPath}' or returned non-0 code`,
-        {title: 'Download'},
-        {title: 'Cancel'}
-      )
-      console.log(chosen.title)
-    }
-  }
-})
-
 connection.onCompletion((textDocumentPosition: vsclang.TextDocumentPositionParams) => completions)
 
 connection.onCompletionResolve((item: vsclang.CompletionItem): vsclang.CompletionItem => completions[item.data - 1])
diff --git a/setup.py b/setup.py
index 48e2ad3..1ea6591 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,6 @@
 import urllib.request
 import zipfile
 from io import BytesIO
-import shutil
 import os as o
 
 os = {
@@ -31,4 +30,5 @@ def main():
                 print('glslangValidator downloaded. Add this line to your VSCode settings:\n"mcglsl.glslangValidatorPath": "' + o.getcwd() + '/' + 'glslangValidator"')
                 return
     print('There was an error :(')
+
 main()
\ No newline at end of file