To find out which plugins or theme need to be updated:
Step 1: Go to WPRemote website and sign in using your email ID.
Step 2: On the WPRemote site listing page, select the website of your choice.
Step 3: In the site dashboard, you can see the card which highlights Themes that has updates available.
Step 4: Click on Select All to select the Themes with updates and click on Update button.
Alternatively,
Step 3: In the Site Detail page, find the Themes card. Here you can click on Manage.
Step 4: Click on the drop-down next to the search tab to filter the Themes to only the ones requiring updates.
Step 5: You can see which all plugins require updates. Click on checkbox to select all plugins with updates. Then click on Update button.
NEXT: How do I update plugins or themes?