This guide is a draft and may not be complete or fully tested. Proceed with caution and at your own risk.
If you want, I can also produce:
There are community-created scripts (such as those by user rudyberkvens or found on GitHub repositories like ryanrudolfoba/SteamDeck-Clover-DualBoot ) that automate this process. The script generally performs the following: clover steam deck dual boot