FLauncher (1.21.8, 1.20.1) Download Links

For All Versions from  Minecraft 1.7.10 to Minecraft 1.21.8, 1.21.7, 1.21.5, 1.21.4, 1.21.1, 1.20.1

Windows Installer Version (Exe file): Download from Server 1 – Download from Server 2