I did a Chat with support that walked me through basically what LeRoi posted though slightly different in that I didn't need a physical USB drive for it (I have plenty of disk space on my Mac).
Before getting started with installation, in Windows 11 go to the menu and select
Actions - Take Snapshot... so you can roll back in case anything goes wrong.
The following downloads the ISO using your Mac browser into the Downloads folder. Alternatively, you could download directly into the virtual machine Windows and skip the DVD mounting, but if you're like me you allocated limited disk space to the Windows virtual machine so I used my Mac for the download as described below.
Download the latest Windows 11 for ARM (Apple Silicon Macs) here:
https://www.microsoft.com/en-us/software-download/windows11arm64 (or for Apple Intel Macs you go to
https://www.microsoft.com/software-download/windows11)
That should go into your Downloads folder on your Mac. Click on the Parallels icon in the Mac menu (looks like a laptop computer screen with 2 white windows in it) and with your current Windows 11 active (not sleeping) go to
Devices > CD/DVD > Connect image... and select the ISO image you downloaded (most likely in your Downloads folder so navigate to that and click on Open).
Then in Windows 11, use
File Explorer and click on
This PC in the left section (you may need to scroll down to see it) and you should see
DVD Drive (D
with an unusual name that doesn't say it's 22H2 but it is.
Double click on the "
setup" application you should see in File Explorer. That will then walk you through the installation which takes a while. At one point it was stuck on some percentage, but just wait as it does get through.
After this is all done, you can verify your Windows 11 version in
System > About > "Version" that should now say 24H2.
You can also
Check for updates and see that it no longer says end of service and you may get a 2024-12 Cumulative Update for Windows 11 and a 2024-11 Cumulative Update for .NET Framework...
Click to expand...
