Windows Upgrade Help and more

Thanks! I found a BIOS update, but I'm nervous about installing it. Is there anything I should do first to avoid messing up my computer?

Has anyone else had the "This PC can't run Windows 11" error, even though my PC meets all the requirements? The Health Check app says my TPM 2.0 is enabled and Secure Boot is on, but the upgrade assistant still fails with error code 0xC1900101. I've tried the installation three times now and it ...