Since this is an unofficial tool, things can break when Windows updates. The GitHub Issues section is a goldmine for fixes if you run into an "App registration failed" error. Final Verdict
For more information and to get the latest updates, visit the official MCMrARM GitHub project. mcmrarm mc-w10-version-launcher
Point the launcher to the MC-W10 modpack: Since this is an unofficial tool, things can
Before installing the application, the Windows operating system requires specific configurations: MCMrARM/mc-w10-version-launcher: Windows 10 ... - GitHub Since this is an unofficial tool