If you are on hardware that cannot support newer Windows updates, or if you are restricted by corporate policy, you have two alternative paths.
Having specific trouble? Drop the error code from your Windows Update log in the comments below (if republishing) or consult the official Adobe Community help forums.
Adobe has implemented this requirement to ensure that Photoshop users have a stable and secure platform to work on. The Windows 10 Anniversary Update version 1607 includes several key features and updates that are necessary for Photoshop to run smoothly. These include:
The transition was primarily a strategic alignment with Microsoft's own lifecycle policy. Sunset of Older Versions: