It's a bit hard for newcomers to do all these when they want to start using the xiaomi eu rom, so after some of us were talking about making a guide for all these for mi 10 (because it may require a kinda special process) I decided to actually make one. Tjis may save you some time. This works ~as of 10-6-2021 and applies for mi 10 Umi (many parts may apply for mi 10 ultra, maybe mi 10 pro and other devices). I've also put many tips you might find...
The ~ultimate guide to unlock bootloader, use twrp, flash beta from stock rom, setup and hide magisk + edxposed for mi 10 umi, use LP, plus extra tips
The ~ultimate guide to unlock bootloader, use twrp, flash beta from stock rom, setup and hide magisk + edxposed for mi 10 umi, use LP, plus extra tips