Adobe Photoshop Requires Windows 10 Anniversary Update Version 1607 Link -

If you're running an earlier version of Windows 10, you'll need to update to version 1607 or later to use Adobe Photoshop. Here's how:

:If your computer is not finding the update automatically, you can use the Microsoft Download Tool . Select "Update now" to download the Windows Update Assistant, which will force your system to the latest compatible version. If you're running an earlier version of Windows

Use the to perform a clean OS installation. If you're running an earlier version of Windows