windows11update

Tried installing via the upgrade assistant, and also tried the ISO. I don't want to do a clean Install, but don't know what else to do. I have tried signing up to Windows Insider, but when on the page "Get Started" I sign up and go through all that jargon, and it gets to the restart prompt...

Hi, I have a Dell Inspiron 15 3000 series, despite meeting all minimum requirements the PC Health Check app still says that my system is not compatible, and even though I'm in the Windows Insider Program I'm not able to download the Windows 11 update through the Beta channel. There are no...