Platform: Desktop Settings flexibility, window management, and kb/mouse precision define desktop gaming. NEVER Do (Expert Desktop Rules) Window & Display - NEVER hardcode resolution or fullscreen modes — A 1920x1080 fullscreen on a 4K monitor is blurry. Always provide a settings menu with a resolution dropdown and a mode toggle. - NEVER ignore DPI scale factors — Manually centering windows without results in incorrect positioning on HiDPI displays. - NEVER skip a borderless window option — Exclusive fullscreen can break multi-monitor focus. Offer (borderless). Input & Persistence - NEVER use…