Secure Boot Certificate Expirations

[Thor]

You may want to read this recent similar thread with concerns about secure boot certificates:

Secure boot certificate expiry?

More experienced users may stifle a laugh here but I'm perplexed by the recent coverage of Microsoft UEFI certificates expiring soon. This is dark magic for me - the boot menu has always scared me because it's software outside my knowledge and control, so I leave it well alone. I was running W11 until November, when I wiped Windows completely and installed Zorin 18. I've read an article saying that Linux reads Microsoft certificates. Is this true, or does a Linux install…