Step 1 - Go to the "Powertools" section and click "Photo Gallery" icon.
(see screenshot)

Step 2 - Choose destination directory (could be subdomain). Leave empty if you want to install directly in the main directory. Choose database, database user (the database should be created before installing the Photo Gallery) and file owner. Further specify administartor name, email and password.
(see screenshot)

IMPORTANT: If you choose already used database, its content will be wiped out for the new content. Also note that the Photo Gallery takes 45MB of disk space!
Please make sure that you are viewing the screenshots in their
original sizes as there is possibility that your browser is resizing
the images!!!

If you have more question regards this matter, please contact our
support team