From ZekrWiki
This document demonstrates a step-by-step tutorial to add a new translation pack to Zekr.
First download one or more translations you like from resource page. Now follow translation installation steps described here.
Step 1 Choose Tools > Add menu item.
Step 2 Choose one or more translation file from open dialog
Step 3 Select importing option. Select
Me only if you don't want other users of this computer to see the translation. Select
All users, if you want other users to see this translation in Zekr.
All users option requires write permission to the folder Zekr is installed
Step 4 A message is shown indicating that translation(s) successfully added.
Step 5 Now you can select the newly added translation from View > Translation menu