Windows Upgrade Help and more

Thanks for the tip, but even with everything closed, the upgrade assistant still fails. Is there a way to see what the actual error is?

Has anyone else hit a wall trying to upgrade? My Windows 10 PC meets the CPU and TPM requirements, but the PC Health Check app keeps saying I don't have enough RAM. I have 6GB installed, which I know is the bare minimum for 11. The upgrade assistant fails with an error, but doesn't give a code ...