diff --git a/setup.bash b/setup.bash
new file mode 100755
index 00000000..d9422f8f
--- /dev/null
+++ b/setup.bash
@@ -0,0 +1,124 @@
+#!/usr/bin/env bash
+
+# Dotfiles setup script (bash version)
+# Main entry point for dotfiles installation
+
+# shellcheck disable=SC1091  # Don't follow sourced files
+
+# Enable strict error handling
+set -euo pipefail
+
+# Set up environment
+export DOTFILES="$HOME/Repos/ooloth/dotfiles"
+
+# Main installation function
+main() {
+    printf "\nWelcome to your new Mac! This installation will perform the following steps:\n\n"
+    printf "1. Confirm this is a Mac\n"
+    printf "2. Ask you to enter your password\n"
+    printf "3. Confirm the Command Line Developer Tools are installed\n"
+    printf "4. Clone ooloth/dotfiles\n"
+    printf "5. Create your SSH keys\n"
+    printf "6. Confirm you can SSH to GitHub\n"
+    printf "7. Install Homebrew\n"
+    printf "8. Install the packages, casks, App Store apps and VS Code extensions listed in your Brewfile\n"
+    printf "9. Configure your Mac to use the Homebrew version of Zsh\n"
+    printf "10. Install rust (if not work computer)\n"
+    printf "11. Install uv\n"
+    printf "12. Install the latest version of Node via fnm and set it as the default\n"
+    printf "13. Install global npm dependencies\n"
+    printf "14. Install tmux dependencies\n"
+    printf "15. Install neovim dependencies\n"
+    printf "16. Install yazi flavors (if not work computer)\n"
+    printf "17. Symlink your dotfiles to your home and library directories\n"
+    printf "18. Update macOS system settings\n\n"
+
+    printf "Sound good? (y/N) "
+    read -r key
+
+    if [[ ! "$key" == 'y' ]]; then
+        printf "\nNo worries! Maybe next time."
+        printf "\nExiting...\n"
+        exit 1
+    else
+        printf "\nExcellent! Here we go...\n\n"
+    fi
+    
+    # Confirm this is a Mac
+    printf "Confirming this is a Mac...\n\n"
+    
+    if [[ "$(uname)" != "Darwin" ]]; then
+        printf "Error: This script only runs on macOS.\n"
+        exit 1
+    else
+        printf "✓ macOS confirmed.\n\n"
+    fi
+    
+    # Clone or update dotfiles
+    if [ -d "$DOTFILES" ]; then
+        printf "📂 Dotfiles are already installed. Pulling latest changes.\n"
+        cd "$DOTFILES"
+        git pull
+    else
+        # Clone via https (will be converted to ssh by install/github.bash)
+        printf "📂 Installing dotfiles\n"
+        mkdir -p "$DOTFILES"
+        git clone "https://github.com/ooloth/dotfiles.git" "$DOTFILES"
+    fi
+    
+    # Initialize dotfiles utilities now that repository is available
+    printf "\n🔧 Initializing dotfiles utilities...\n\n"
+    
+    # Initialize dynamic machine detection
+    source "$DOTFILES/bin/lib/machine-detection.bash"
+    init_machine_detection
+    
+    # Initialize dry-run mode utilities
+    source "$DOTFILES/bin/lib/dry-run-utils.bash"
+    parse_dry_run_flags "$@"
+    
+    # Initialize enhanced error handling utilities
+    source "$DOTFILES/bin/lib/error-handling.bash"
+    
+    # Run comprehensive prerequisite validation
+    printf "Running comprehensive prerequisite validation...\n\n"
+    
+    source "$DOTFILES/bin/lib/prerequisite-validation.bash"
+    if ! run_prerequisite_validation; then
+        printf "\n❌ Prerequisite validation failed. Please address the issues above and try again.\n"
+        exit 1
+    fi
+    
+    printf "✅ All prerequisites validated successfully.\n\n"
+    
+    # Run installation scripts
+    printf "Running installations...\n\n"
+    
+    cd "$DOTFILES/bin/install"
+    
+    # Run bash installation scripts if they exist
+    if [[ -f "ssh.bash" ]]; then
+        source ssh.bash
+    fi
+    
+    if [[ -f "github.bash" ]]; then
+        source github.bash
+    fi
+    
+    if [[ -f "homebrew.bash" ]]; then
+        source homebrew.bash
+    fi
+    
+    if [[ -f "symlinks.bash" ]]; then
+        source symlinks.bash
+    fi
+    
+    # TODO: Add remaining installation scripts as they are migrated to bash
+    
+    printf "\n🎉 Setup complete!\n"
+}
+
+# Only run main if script is executed directly
+if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
+    main "$@"
+fi
\ No newline at end of file
diff --git a/test/setup/test-setup-bash.bats b/test/setup/test-setup-bash.bats
new file mode 100644
index 00000000..ef532f5e
--- /dev/null
+++ b/test/setup/test-setup-bash.bats
@@ -0,0 +1,215 @@
+#!/usr/bin/env bats
+
+# Test setup.bash main entry point
+
+setup() {
+    # Save original environment
+    export ORIGINAL_DOTFILES="${DOTFILES:-}"
+    export ORIGINAL_HOME="${HOME:-}"
+    
+    # Create temporary directory for testing
+    export TEST_TEMP_DIR
+    TEST_TEMP_DIR="$(mktemp -d)"
+    
+    # Set up test environment
+    export HOME="$TEST_TEMP_DIR/home"
+    export DOTFILES="$TEST_TEMP_DIR/home/Repos/ooloth/dotfiles"
+    mkdir -p "$HOME"
+    mkdir -p "$DOTFILES"
+}
+
+teardown() {
+    # Restore original environment
+    if [[ -n "$ORIGINAL_DOTFILES" ]]; then
+        export DOTFILES="$ORIGINAL_DOTFILES"
+    else
+        unset DOTFILES
+    fi
+    
+    if [[ -n "$ORIGINAL_HOME" ]]; then
+        export HOME="$ORIGINAL_HOME"
+    else
+        unset HOME
+    fi
+    
+    # Clean up temporary directory
+    if [[ -n "${TEST_TEMP_DIR:-}" && -d "$TEST_TEMP_DIR" ]]; then
+        rm -rf "$TEST_TEMP_DIR"
+    fi
+}
+
+@test "setup.bash exists and is executable" {
+    # Check if setup.bash exists in the real dotfiles location
+    [ -f "$(pwd)/setup.bash" ]
+    [ -x "$(pwd)/setup.bash" ]
+}
+
+@test "setup.bash sets DOTFILES environment variable" {
+    # Clear DOTFILES to test that setup.bash sets it
+    unset DOTFILES
+    
+    # Run setup.bash in a way that exports variables
+    source "$(pwd)/setup.bash"
+    
+    # Check that DOTFILES is set correctly
+    [ -n "$DOTFILES" ]
+    [[ "$DOTFILES" == "$HOME/Repos/ooloth/dotfiles" ]]
+}
+
+@test "setup.bash enables strict error handling" {
+    # Create a test script that sources setup.bash and checks error handling
+    local test_script="$TEST_TEMP_DIR/test_error.sh"
+    cat > "$test_script" << 'EOF'
+#!/bin/bash
+source "$(pwd)/setup.bash"
+
+# Test that undefined variable causes error
+echo "$UNDEFINED_VARIABLE"
+EOF
+    
+    chmod +x "$test_script"
+    
+    # Run the test script - should fail due to undefined variable
+    run "$test_script"
+    [ "$status" -ne 0 ]
+}
+
+@test "setup.bash shows welcome message when run directly" {
+    # Run setup.bash with 'n' response to avoid full installation
+    run bash -c "echo 'n' | $(pwd)/setup.bash"
+    
+    # Check that welcome message is shown
+    [[ "$output" =~ "Welcome to your new Mac!" ]]
+    [[ "$output" =~ "Sound good?" ]]
+    [[ "$output" =~ "No worries! Maybe next time." ]]
+    [ "$status" -eq 1 ]
+}
+
+@test "setup.bash checks for macOS platform" {
+    # Create a mock uname command that returns Linux
+    local mock_bin="$TEST_TEMP_DIR/bin"
+    mkdir -p "$mock_bin"
+    cat > "$mock_bin/uname" << 'EOF'
+#!/bin/bash
+echo "Linux"
+EOF
+    chmod +x "$mock_bin/uname"
+    
+    # Run setup.bash with mocked uname
+    PATH="$mock_bin:$PATH" run bash -c "echo 'y' | $(pwd)/setup.bash 2>&1 || true"
+    
+    # Check for macOS error message
+    [[ "$output" =~ "This script only runs on macOS" ]]
+}
+
+@test "setup.bash pulls latest changes when dotfiles already exist" {
+    # Create mock git command
+    local mock_bin="$TEST_TEMP_DIR/bin"
+    mkdir -p "$mock_bin"
+    cat > "$mock_bin/git" << 'EOF'
+#!/bin/bash
+if [[ "$1" == "pull" ]]; then
+    echo "Already up to date."
+fi
+EOF
+    chmod +x "$mock_bin/git"
+    
+    # Create the dotfiles directory to simulate it already exists
+    mkdir -p "$DOTFILES"
+    
+    # Run setup.bash with mocked git, answering 'y' but then it will fail on platform check
+    PATH="$mock_bin:$PATH" run bash -c "echo 'y' | $(pwd)/setup.bash 2>&1 || true"
+    
+    # Check that it detected existing dotfiles
+    [[ "$output" =~ "Dotfiles are already installed. Pulling latest changes." ]]
+}
+
+@test "setup.bash loads dotfiles utilities after cloning" {
+    # Create mock utilities that export variables to verify they were loaded
+    mkdir -p "$DOTFILES/bin/lib"
+    
+    # Create mock machine detection
+    cat > "$DOTFILES/bin/lib/machine-detection.bash" << 'EOF'
+#!/usr/bin/env bash
+init_machine_detection() {
+    export MACHINE_DETECTION_LOADED="true"
+}
+EOF
+    
+    # Create mock dry-run utils
+    cat > "$DOTFILES/bin/lib/dry-run-utils.bash" << 'EOF'
+#!/usr/bin/env bash
+parse_dry_run_flags() {
+    export DRY_RUN_UTILS_LOADED="true"
+}
+EOF
+    
+    # Create a test script that sources setup.bash and checks the variables
+    local test_script="$TEST_TEMP_DIR/test_utils.sh"
+    cat > "$test_script" << EOF
+#!/bin/bash
+# Override DOTFILES to use test location
+export DOTFILES="$DOTFILES"
+
+# Source setup.bash (not execute)
+source "$(pwd)/setup.bash"
+
+# Check if utilities would be loaded if main ran
+if [[ -f "\$DOTFILES/bin/lib/machine-detection.bash" ]] && 
+   [[ -f "\$DOTFILES/bin/lib/dry-run-utils.bash" ]]; then
+    echo "Utilities found"
+else
+    echo "Utilities not found"
+fi
+EOF
+    
+    chmod +x "$test_script"
+    run "$test_script"
+    
+    [[ "$output" =~ "Utilities found" ]]
+}
+
+@test "setup.bash runs bash installation scripts" {
+    # Create mock git command
+    local mock_bin="$TEST_TEMP_DIR/bin"
+    mkdir -p "$mock_bin"
+    cat > "$mock_bin/git" << 'EOF'
+#!/bin/bash
+if [[ "$1" == "pull" ]]; then
+    echo "Already up to date."
+fi
+EOF
+    chmod +x "$mock_bin/git"
+    
+    # Create mock installation scripts
+    mkdir -p "$DOTFILES/bin/install"
+    
+    # Create mock ssh.bash that sets a variable
+    cat > "$DOTFILES/bin/install/ssh.bash" << 'EOF'
+#!/usr/bin/env bash
+echo "Running SSH installation"
+export SSH_INSTALL_RAN="true"
+EOF
+    chmod +x "$DOTFILES/bin/install/ssh.bash"
+    
+    # Create mock github.bash
+    cat > "$DOTFILES/bin/install/github.bash" << 'EOF'
+#!/usr/bin/env bash
+echo "Running GitHub installation"
+export GITHUB_INSTALL_RAN="true"
+EOF
+    chmod +x "$DOTFILES/bin/install/github.bash"
+    
+    # Create minimal mock utilities to avoid errors
+    mkdir -p "$DOTFILES/bin/lib"
+    echo 'init_machine_detection() { :; }' > "$DOTFILES/bin/lib/machine-detection.bash"
+    echo 'parse_dry_run_flags() { :; }' > "$DOTFILES/bin/lib/dry-run-utils.bash"
+    echo '' > "$DOTFILES/bin/lib/error-handling.bash"
+    echo 'run_prerequisite_validation() { return 0; }' > "$DOTFILES/bin/lib/prerequisite-validation.bash"
+    
+    # Run setup.bash with mocked git
+    PATH="$mock_bin:$PATH" run bash -c "echo 'y' | $(pwd)/setup.bash 2>&1 || true"
+    
+    # Check that installation scripts were mentioned/run
+    [[ "$output" =~ "Running installations" ]]
+}
\ No newline at end of file