See Prism Launcher changelogs: 10.0.2

Fixes

• Fixed access token not being passed to the game for new Ely.by accounts (#96, https://github.com/ElyPrismLauncher/ElyPrismLauncher/commit/3ca89ee4170670a5997601a41c8c106e0d6a1240)
• Brought back accidentally removed ability to configure Ely.by patching (https://github.com/ElyPrismLauncher/ElyPrismLauncher/commit/8babc2c2450daa4a59773c0b3b82cd5b24777890)
• Fixed Microsoft authorization failing when using the Sign in with Microsoft button (#93, https://github.com/ElyPrismLauncher/ElyPrismLauncher/commit/4620911783b904ccf0919e9d67ae8ff3c5034624)

If you're not sure what to download on Windows, click ElyPrismLauncher-Windows-MSVC-Setup-10.0.2.exe

Flatpak users can install the launcher and its repository with this command (add --user if needed): flatpak install https://elyprismlauncher.github.io/flatpak/elyprismlauncher.flatpakref)

If you're encountering problems downloading metadata, such as Component metadata update task failed, set Metadata Server in Settings -> Services to https://elyprismlauncher.github.io/meta/v1