Windows 7 AIO Pre-Activated R2 model
Windows 7 AIO Pre-Activated R2 model
Hello, I understand you're looking to switch to Windows 7. You can use the USB drive with your activated Windows 7 AIO Pre-Activated R2 to perform the downgrade. Just follow the instructions on the drive to complete the process.
It's unclear how you received the ISO file from Microsoft. Could you clarify the source or provide more details?
I successfully copied the C partition from a Windows 10 system to a Windows 7 one without reinstalling, and it started up fine. However, the process was quite complicated. It might be better to restart and try again.