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

Step 2 - Choose destination directory (could be subdomain). Choose database, database user (the database should be created before installing the Wordpress) and file owner. Further specify site title, 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 Wordpress Blog takes 5MB of disk space!
Please make sure that you are viewing the screenshots in their
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the images!!!

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