Bringing the nostalgic screensavers—famous for those iconic Flying Toasters—to Windows 11 requires a bit of a workaround since the original software is over 30 years old. How to Get "After Dark" on Windows 11

If you have found a modern .scr file for Flying Toasters, you can right-click it and select to make it appear in this list. Classic After Dark Modules Is After Dark compatible for Windows 10? - Super User