Open the dialog of the same name via PARTproject, Extras menu -> Settings.... [Settings...]
Activate the Enable QA [Activate QA] option.
Click on Svn login [Svn Login] in the Version management [Versioning system] menu.
Enter your login details and confirm with .
If necessary, select your QA role.
Download your catalog from the SVN.
.. .data/23dlibs -> Version management [Versioning system] -> Download catalog from server