diff --git a/README.md b/README.md
index b334e3c..509150a 100644
--- a/README.md
+++ b/README.md
@@ -16,11 +16,22 @@ A blazingly fast CLI tool for testing internet speed uses fast.com v2 api. Writt
 
 - **Tiny binary**: Just 1.2 MiB, no runtime dependencies
 - **Blazing fast**: Concurrent connections with adaptive chunk sizing
-- **Cross-platform**: Single binary for Linux, macOS, Windows
+- **Cross-platform**: Single binary for Linux, macOS
 - **Smart stopping**: Uses Coefficient of Variation (CoV) algorithm for adaptive test duration
 
+## Supported Platforms
+
+- **Linux**: x86_64, aarch64 (ARM64)
+- **macOS**: x86_64 (Intel), aarch64 (aka Apple Silicon)
+
 ## Installation
 
+### Quick Install
+
+```bash
+curl -sSL https://raw.githubusercontent.com/mikkelam/fast-cli/main/install.sh | bash
+```
+
 ### Pre-built Binaries
 For example, on an Apple Silicon Mac:
 ```bash
diff --git a/install.sh b/install.sh
new file mode 100755
index 0000000..89a2516
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,209 @@
+#!/bin/bash
+
+set -e
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Default install location
+DEFAULT_INSTALL_DIR="/usr/local/bin"
+INSTALL_DIR="${INSTALL_DIR:-$DEFAULT_INSTALL_DIR}"
+
+# GitHub repository
+REPO="mikkelam/fast-cli"
+BINARY_NAME="fast-cli"
+
+# Print colored output
+print_status() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+print_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Detect OS and architecture
+detect_platform() {
+    local os arch
+
+    case "$(uname -s)" in
+        Linux*)
+            os="linux"
+            ;;
+        Darwin*)
+            os="macos"
+            ;;
+        *)
+            print_error "Unsupported operating system: $(uname -s)"
+            exit 1
+            ;;
+    esac
+
+    case "$(uname -m)" in
+        x86_64|amd64)
+            arch="x86_64"
+            ;;
+        aarch64|arm64)
+            arch="aarch64"
+            ;;
+        armv7l)
+            arch="armv7"
+            ;;
+        *)
+            print_error "Unsupported architecture: $(uname -m)"
+            exit 1
+            ;;
+    esac
+
+    echo "${BINARY_NAME}-${arch}-${os}"
+}
+
+# Get latest release version
+get_latest_version() {
+    local version
+    version=$(curl -s "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
+
+    if [ -z "$version" ]; then
+        print_error "Failed to get latest version"
+        exit 1
+    fi
+
+    echo "$version"
+}
+
+# Download and install
+install_fast_cli() {
+    local platform version download_url temp_dir
+
+    print_status "Detecting platform..."
+    platform=$(detect_platform)
+    print_status "Platform detected: $platform"
+
+    print_status "Getting latest version..."
+    version=$(get_latest_version)
+    print_status "Latest version: $version"
+
+    # Create download URL
+    download_url="https://github.com/${REPO}/releases/latest/download/${platform}.tar.gz"
+
+    # Create temporary directory
+    temp_dir=$(mktemp -d)
+    trap "rm -rf $temp_dir" EXIT
+
+    print_status "Downloading fast-cli..."
+    if ! curl -L --fail --silent --show-error "$download_url" -o "$temp_dir/fast-cli.tar.gz"; then
+        print_error "Failed to download fast-cli from $download_url"
+        print_error "Please check if a release exists for your platform"
+        exit 1
+    fi
+
+    print_status "Extracting archive..."
+    if ! tar -xzf "$temp_dir/fast-cli.tar.gz" -C "$temp_dir"; then
+        print_error "Failed to extract archive"
+        exit 1
+    fi
+
+    # Check if we need sudo for installation
+    if [ ! -w "$INSTALL_DIR" ]; then
+        if [ "$INSTALL_DIR" = "$DEFAULT_INSTALL_DIR" ]; then
+            print_warning "Installing to $INSTALL_DIR requires sudo privileges"
+            SUDO="sudo"
+        else
+            print_error "No write permission to $INSTALL_DIR"
+            exit 1
+        fi
+    fi
+
+    print_status "Installing to $INSTALL_DIR..."
+    $SUDO mkdir -p "$INSTALL_DIR"
+    $SUDO cp "$temp_dir/$BINARY_NAME" "$INSTALL_DIR/$BINARY_NAME"
+    $SUDO chmod +x "$INSTALL_DIR/$BINARY_NAME"
+
+    print_status "Installation complete!"
+    echo
+    echo -e "${GREEN}✓${NC} fast-cli installed to $INSTALL_DIR/$BINARY_NAME"
+    echo
+    echo "Try it out:"
+    echo "  $BINARY_NAME --help"
+    echo "  $BINARY_NAME --json"
+}
+
+# Show usage
+show_usage() {
+    cat << EOF
+Fast-CLI Installer
+
+Usage: $0 [OPTIONS]
+
+Options:
+    --prefix DIR    Install to custom directory (default: $DEFAULT_INSTALL_DIR)
+    --help          Show this help message
+
+Environment Variables:
+    INSTALL_DIR     Custom installation directory
+
+Examples:
+    # Install to default location
+    $0
+
+    # Install to custom directory
+    $0 --prefix /opt/bin
+    INSTALL_DIR=/opt/bin $0
+
+EOF
+}
+
+# Parse command line arguments
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        --prefix)
+            INSTALL_DIR="$2"
+            shift 2
+            ;;
+        --help|-h)
+            show_usage
+            exit 0
+            ;;
+        *)
+            print_error "Unknown option: $1"
+            show_usage
+            exit 1
+            ;;
+    esac
+done
+
+# Check dependencies
+check_dependencies() {
+    local missing_deps=()
+
+    for cmd in curl tar; do
+        if ! command -v "$cmd" > /dev/null 2>&1; then
+            missing_deps+=("$cmd")
+        fi
+    done
+
+    if [ ${#missing_deps[@]} -ne 0 ]; then
+        print_error "Missing required dependencies: ${missing_deps[*]}"
+        print_error "Please install them and try again"
+        exit 1
+    fi
+}
+
+# Main
+main() {
+    echo "Fast-CLI Installer"
+    echo "=================="
+    echo
+
+    check_dependencies
+    install_fast_cli
+}
+
+main "$@"