If your hardware cannot handle a newer version of Windows, you can install a legacy version of Photoshop that supports older OS builds: Open the desktop app. Navigate to the Apps section and find Photoshop.
Click the or the drop-down arrow next to "Open/Install."
: This is the absolute minimum "entry point" for mid-2018 versions of Photoshop.
Select to see a list of compatible legacy installers. Troubleshooting Continued Installation Issues
: These versions are incompatible with Photoshop CC 19.1 and later.
Adobe aligned its support cycle with Microsoft. When Microsoft stopped supporting initial Windows 10 builds (like version 1507 or 1511), Adobe also phased them out to ensure software stability and security.