How to Install Add-Ons in Google Sheets
Add-ons allow you to perform additional tasks in Google Sheets that you can't do with the basic program functionality. This includes things like checking for duplicates, creating timesheets, managing table styles, and so much more.
In the Add-ons window that appears, you can select for a specific category or search for what you need.
You may need to allow access to your Google account.
The add-on is installed and available to use in your spreadsheets.
All of your installed add-ons are available from the Add-ons menu.
All your installed add-ons will be listed here.
The options for the add-on are displayed but will vary for each specific add-on.