Dual boot: preserving windows 7?

I have an issue that is difficult to contemplate. Adobe Lightroom and Photoshop have issues with windows 7, but I have a structural analysis package (Algor) that is expensive as hell that wont work on 8 and 10.
I need to upgrade, yet retain 7 for the ALGOR. What is the best way to do that?

Sent from my SM-G960U using Tapatalk

via International Skeptics Forum https://ift.tt/2L0HrHA