: Official Adobe support for Windows 7 ended with Photoshop 2020 (version 21). Newer versions like Photoshop 2021 or later may not install correctly on this OS. Photoshop 21 on widows 7 - Adobe Community
The Adobe Damaged Installer issue in Photoshop on Windows 7 can be frustrating, but it's usually resolvable with one of the above solutions. By following these steps, you should be able to overcome the error and successfully install or update Photoshop. adobe damaged installer fix photoshop windows 7 top
: If the installer is very old (like CS6 or early CC), try setting your system clock back to October 2017 before launching the installer. This bypasses expired certificate checks. : Official Adobe support for Windows 7 ended