Here's how to reset your wordpress wp-admin password via plesk.
- Please login to your plesk account first.
- Then click the Database menu
- Make sure to select and enter the right database then click phpmyadmin
- Click your Users table (prefix_users)
- Then you can enter a new password in the ''ID field'' of user_pass, change the function field to MD5
- then scroll down and click the send menu.
That's it, try it out