Installing Gopher for Chrome
Installing for the first time?
Before you begin, check with your domain administrator to make sure that the account you're using has sufficient API access rights. You can search for Gopher for Chrome from the Add-ons gallery, which is accessible from “Add-ons > Get Add-ons…” menu item in any Google Sheet.
Or, cut to the chase and install it directly from here.
Once installed, you can open Chrome Gopher from any Google Spreadsheet from Add-ons > Gopher for Chrome > Launch