First visit the Tools section in by clicking the link in the main menu:
You will see the quick fix panel at the top of the main window:
- Select Quick Fixes
- Select the appropriate server
- Select the appropriate site (or staging site)
- Select Force Update a Site
- Click Start Task
GridPane will perform a series of checks, backups, and tests before attempting to update themes, plugins, and WordPress Core. Anything out of date will be updated and old versions removed.
Depending on the size of your site and quantity of updates needed, the time to complete a forced update varies. Check the Event Output Viewer to see all updates and the completion confirmation message.