Complete access
  1.  Log into Plesk
  2. In the left sidebar, click WordPress. The WordPress Toolkit page appears.
  3. On the Instances tab, you can manage your WordPress installations
    • To install a new instance of WordPress, click Install, and then click Install (Quick) or click Install (Custom).
    • To locate all WordPress instances on your account, click Scan.
    • To check for WordPress updates, click Updates.
    • To manage security for your WordPress instances, click Security.
    • There are many additional options for each WordPress instance listed.

  4. On the Plugins tab you can manage WordPress plugins: 
    • To install a plugin, click Install.
    • To upload a plugin, click Upload plugin.
    • To activate a plugin, click Activate.
    • To deactivate a plugin, click Deactivate.
    • To uninstall a plugin, click Uninstall.
    • To update a plugin, click Update.

  5. On the Themes tab you can manage WordPress themes:
    • To install a theme, click Install.
    • To upload a theme, click Upload theme.
    • To uninstall a theme, click Uninstall.
    • To update a theme, click Update.


Quick access
  1. Log in to Plesk
  2. In the left sidebar, click Websites & Domains
  3. Scroll to the management area for the domain where WordPress is installed.
  4. Click any of the following options in the toolbar:

    WordPress Toolkit toolbar

    • To log in to WordPress, click Log In.
    • To run a security check on the WordPress installation, click Check Security.
    • To manage plugins for the WordPress installation, click Plugins.
    • To manage themes for the WordPress installation, click Themes.
    • To clone the WordPress installation, click Clone.
    • To synchronize a WordPress instance with another instance, click Sync.

*For detail guide may refer to https://www.wpexplorer.com/wordpress-toolkit-plesk-guide/