Skipping these steps will waste your time. Do this first:
Sometimes a previous failed installation corrupts the Adobe Genuine Software Integrity check. adobe damaged installer fix photoshop windows 7
The is not just about finding a new download link. It is about understanding that Windows 7 trusts certificates that Adobe no longer uses. By manually updating your certificates, rolling back your system clock, or extracting the installer via 7-Zip, you can almost always defeat this error. Skipping these steps will waste your time