#PB_Directory_AllUserData

[BlindMan]

ProgDataDir$ = GetUserDirectory(#PB_Directory_AllUserData)
Debug(ProgDataDir$) displays /Library/Application Support/

CreateDirectory(ProgDataDir$ + "MyApp") result is 0 which I suspect is due to permissions as permission is denied when I use mkdir in Terminal app without sudo.

How can PB app create a new directory in /Library/Application Support/ ?

macOS Catalina 10.15.4 PB572

[Wolfram]

Normale you should write into ~/Libary/Application Support/, which is your personal folder.
If you want into the main folder you need Admin privileges.

https://www.purebasic.fr/english/viewto ... 54#p508354