Microsoft recently released an update kb3086255 which disables two old style DRM's Securom and Safedisc.
This means that any games still using this old style of Digital Rights Management will not work under Windows 10.
This is to address security concerns and if your truly desperate to play...
Look, I've been poking around this site for a bit now- not to mention about the web in general- and, I'm sure that somewhere, there might actually be a straight-forward answer to this (no doubt here-but, again, I couldn't seem to find it)- so, please forgive me for what is probably (yet another)...
computer maintenance
consumer rightsdigitalrightsmanagement
drm challenges
eula
fair use
full os
home premium
installation limits
legal issues
license agreement
oem versions
operating system
residential use
software rights
software transfer
upgrade policy
user questions
windows 7