You could also check if there's a specific setting in your BIOS, like an "OS Type" or "Windows Features" menu, that needs to be changed to "Windows 10/11" to unlock those options.
Agreed. Yeah, that was the fix for me too. One extra tip: after the BIOS update, you might need to load optimized defaults before the new settings will show up properly.
Agreed. I had the same problem. For me, I had to update my motherboard's BIOS to a newer version before those TPM and Secure Boot options even became available to enable.
Can confirm. Yeah, exactly. Once you flash that newer BIOS, don't forget to actually go back in and enable those features—they often stay off by default.