Double click the executable file to start the installation.Turn off your anti-virus, anti-spyware, or other network security utilities.
Once the file is downloaded, Turn off internet connection.(If you are using any subsequent version of Photoshop, search out Adobe’s website to find the relevant one).
ADOBE PHOTOSHOP 8.0 COMPATIBILITY WITH WINDOWS 10 UPDATE
You must have heard much of bad about Windows 8, for not being compatible with many routine applications.