Found this unit here
https://forum.lazarus.freepascal.org/index.php/topic,52259.msg385140.html#msg385140
And it works for Linux and Windows 10, great !!!
Any reason why it is not included in Lazarus or fpc sources ?
Or will that not be working for all platforms Lazarus is running on ?
For me it was very usefull to find this versionsupport.pas
ChatGPT , gemini ... told me application version info that is Windows only . But that is not true .
Perhaps i just don't know existing function names in Lazarus ?
... go to sleep now :-)
