Omarchy Setup Dual boot and Auto-login (manual installation)

Overview

This guide walks through setting up Arch Linux manually with:

• No LUKS (to enable autologin)
• limine as the bootloader
• Larger /boot partition to accommodate multiple kernels
• Dual boot with Windows 11
• Omarchy desktop environment (curl -fsSL https://omarchy.org/install | bash)
• VFIO passthrough using AMD iGPU + NVIDIA RTX 4090
• Snapshots via BTRFS (optional)