WordPress Toolkit is not available in Plesk.
WordPress Toolkit is absent in Plesk because there is no Wordpress Toolkit add-on on a license that is used to activate Plesk server.
Wordpress Toolkit is enabled for the following Plesk 12 editions:
- Web PRO Edition
- Web HOST Edition
It is also available as a paid add-on for:
- Web ADMIN edition
- Web APP edition
To check whether the license key supports Wordpress, go to Tools & Settings > License Management. Find the line
WordPress Toolkit that will display either
Re-activate Plesk with Web Pro or Web Host license, or buy a paid add-on for Web Admin or Web App editions. For assistance with license purchase or replacement, contact Licensing and Purchase Support.
For detailed information about all Plesk 12 editions, visit:
121897 Plesk 12 available editions and difference between them