Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread: CentOS2Alma discussion
Those key valid for plesk onyx which provided by you as mentioned below ,
Web Host Edition
A00J00-NBNH04-M5YD13-9K9733-YPCA99
Web Pro Edition
A00H00-Q59504-M6PM13-PJQ733-833M95
Web Admin Edition
A00000-FJ1R04-3GRQ13-QKV333-6EC192
Therefore It will not work for other versions