diff --git a/install b/install
new file mode 100755
index 00000000..b58aa14e
--- /dev/null
+++ b/install
@@ -0,0 +1,180 @@
+#!/usr/bin/env bash
+set -euo pipefail
+APP=opencode
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+ORANGE='\033[38;2;255;140;0m'
+NC='\033[0m' # No Color
+
+requested_version=${VERSION:-}
+
+os=$(uname -s | tr '[:upper:]' '[:lower:]')
+if [[ "$os" == "darwin" ]]; then
+    os="mac"
+fi
+arch=$(uname -m)
+
+if [[ "$arch" == "aarch64" ]]; then
+  arch="arm64"
+fi
+
+filename="$APP-$os-$arch.tar.gz"
+
+
+case "$filename" in
+    *"-linux-"*)
+        [[ "$arch" == "x86_64" || "$arch" == "arm64" || "$arch" == "i386" ]] || exit 1
+    ;;
+    *"-mac-"*)
+        [[ "$arch" == "x86_64" || "$arch" == "arm64" ]] || exit 1
+    ;;
+    *)
+        echo "${RED}Unsupported OS/Arch: $os/$arch${NC}"
+        exit 1
+    ;;
+esac
+
+INSTALL_DIR=$HOME/.opencode/bin
+mkdir -p "$INSTALL_DIR"
+
+if [ -z "$requested_version" ]; then
+    url="https://github.com/opencode-ai/opencode/releases/latest/download/$filename"
+    specific_version=$(curl -s https://api.github.com/repos/opencode-ai/opencode/releases/latest | awk -F'"' '/"tag_name": "/ {gsub(/^v/, "", $4); print $4}')
+
+    if [[ $? -ne 0 ]]; then
+        echo "${RED}Failed to fetch version information${NC}"
+        exit 1
+    fi
+else
+    url="https://github.com/opencode-ai/opencode/releases/download/v${requested_version}/$filename"
+    specific_version=$requested_version
+fi
+
+print_message() {
+    local level=$1
+    local message=$2
+    local color=""
+
+    case $level in
+        info) color="${GREEN}" ;;
+        warning) color="${YELLOW}" ;;
+        error) color="${RED}" ;;
+    esac
+
+    echo -e "${color}${message}${NC}"
+}
+
+check_version() {
+    if command -v opencode >/dev/null 2>&1; then
+        opencode_path=$(which opencode)
+
+
+        ## TODO: check if version is installed
+        # installed_version=$(opencode version)
+        installed_version="0.0.1"
+        installed_version=$(echo $installed_version | awk '{print $2}')
+
+        if [[ "$installed_version" != "$specific_version" ]]; then
+            print_message info "Installed version: ${YELLOW}$installed_version."
+        else
+            print_message info "Version ${YELLOW}$specific_version${GREEN} already installed"
+            exit 0
+        fi
+    fi
+}
+
+download_and_install() {
+    print_message info "Downloading ${ORANGE}opencode ${GREEN}version: ${YELLOW}$specific_version ${GREEN}..."
+    mkdir -p opencodetmp && cd opencodetmp
+    curl -# -L $url | tar xz
+    mv opencode $INSTALL_DIR
+    cd .. && rm -rf opencodetmp 
+}
+
+check_version
+download_and_install
+
+
+add_to_path() {
+    local config_file=$1
+    local command=$2
+
+    if [[ -w $config_file ]]; then
+        echo -e "\n# opencode" >> "$config_file"
+        echo "$command" >> "$config_file"
+        print_message info "Successfully added ${ORANGE}opencode ${GREEN}to \$PATH in $config_file"
+    else
+        print_message warning "Manually add the directory to $config_file (or similar):"
+        print_message info "  $command"
+    fi
+}
+
+XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-$HOME/.config}
+
+current_shell=$(basename "$SHELL")
+case $current_shell in
+    fish)
+        config_files="$HOME/.config/fish/config.fish"
+    ;;
+    zsh)
+        config_files="$HOME/.zshrc $HOME/.zshenv $XDG_CONFIG_HOME/zsh/.zshrc $XDG_CONFIG_HOME/zsh/.zshenv"
+    ;;
+    bash)
+        config_files="$HOME/.bashrc $HOME/.bash_profile $HOME/.profile $XDG_CONFIG_HOME/bash/.bashrc $XDG_CONFIG_HOME/bash/.bash_profile"
+    ;;
+    ash)
+        config_files="$HOME/.ashrc $HOME/.profile /etc/profile"
+    ;;
+    sh)
+        config_files="$HOME/.ashrc $HOME/.profile /etc/profile"
+    ;;
+    *)
+        # Default case if none of the above matches
+        config_files="$HOME/.bashrc $HOME/.bash_profile $XDG_CONFIG_HOME/bash/.bashrc $XDG_CONFIG_HOME/bash/.bash_profile"
+    ;;
+esac
+
+config_file=""
+for file in $config_files; do
+    if [[ -f $file ]]; then
+        config_file=$file
+        break
+    fi
+done
+
+if [[ -z $config_file ]]; then
+    print_message error "No config file found for $current_shell. Checked files: ${config_files[@]}"
+    exit 1
+fi
+
+if [[ ":$PATH:" != *":$INSTALL_DIR:"* ]]; then
+    case $current_shell in
+        fish)
+            add_to_path "$config_file" "fish_add_path $INSTALL_DIR"
+        ;;
+        zsh)
+            add_to_path "$config_file" "export PATH=$INSTALL_DIR:\$PATH"
+        ;;
+        bash)
+            add_to_path "$config_file" "export PATH=$INSTALL_DIR:\$PATH"
+        ;;
+        ash)
+            add_to_path "$config_file" "export PATH=$INSTALL_DIR:\$PATH"
+        ;;
+        sh)
+            add_to_path "$config_file" "export PATH=$INSTALL_DIR:\$PATH"
+        ;;
+        *)
+            print_message warning "Manually add the directory to $config_file (or similar):"
+            print_message info "  export PATH=$INSTALL_DIR:\$PATH"
+        ;;
+    esac
+fi
+
+if [ -n "${GITHUB_ACTIONS-}" ] && [ "${GITHUB_ACTIONS}" == "true" ]; then
+    echo "$INSTALL_DIR" >> $GITHUB_PATH
+    print_message info "Added $INSTALL_DIR to \$GITHUB_PATH"
+fi
+