Windows 11 requires TPM 2.0, that's the actual reason a massive number of PCs can't update to it. There's apparently some way you can hack around that and install it. I assumed that's what these videos were about. But from the reddit post it looks like it's talking about both that and the account login issue which I wasn't familiar with.

> including how to install Windows 11 without logging into a Microsoft account and how to install Windows 11 on unsupported hardware.