Hi,
Your version is displayed in the top bar:
or you can open 1. Menu ->2. Support -> 3. About
and display version number:
Current version:
https://github.com/Telaxus/EPESI/blob/master/docs/CHANGELOG.md
Resources:
You can get the latest version from:
https://github.com/Telaxus/EPESI
https://sourceforge.net/projects/epesi/
Update instructions:
https://github.com/Telaxus/EPESI/blob/master/docs/UPDATE.md
As for PHP version - you can try 7 and if you experience any issues switch to earlier version.
