The safest and most reliable way to access older versions of Photoshop is through the official Adobe Creative Cloud desktop application. How to Officially Access Photoshop 2021
: Choose Other Versions from the menu. A list of available older versions will appear, including versions from the 2021 (v22.x) release. adobe-photoshop-2021-v22-4-3-serial-number-download-here
: Click Install next to version 22.2 or similar to begin the download. Regarding Serial Numbers The safest and most reliable way to access
If you have a valid Creative Cloud subscription, Adobe allows you to install previous versions of their software directly: adobe-photoshop-2021-v22-4-3-serial-number-download-here