This is what Parallels support sent me. I have not tested it but they responded within 2 hours of my posting the request.
Hello Martin,
Thank you for contacting Parallels Support.
Based on your E-mail, I understand that you are trying to reserve free copy of Windows 10, and getting error "Windows 10 will not run due to Parallels Display Adapter (WDDM)".
To upgrade your Windows Virtual Machine to Windows 10, please follow the upgrade path given below:
1. Please use the below link to find out whether your Windows is 32-bit or 64-bit (You will need this info for the Step 3):
https://support.microsoft.com/en-us/kb/827218
2. Open the below link using Internet Explorer browser within the Virtual Machine you want to upgrade (make sure you do this form within Windows, not from Mac):
https://www.microsoft.com/en-us/software-download/windows10ISO
3. On the page, scroll down and select the Download Tool for your Windows (make sure to choose the correct version: 32-bit or 64-bit based on results of the Step 1).
The download will start.
4. Run the downloaded file and follow the steps to upgrade to Windows 10.
Please do reply back for further assistance and we will be happy to assist you.
We appreciate your time and consideration.
Thanks,
--
Karthikeyan
Customer Support
|| Parallels
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