Click on Extensions > Add-ons > Get add-ons.
Type Import Google Contacts in the search bar and press Enter.
Click on the Import Google Contacts tile from the search results.
Click on Install and follow the steps that appear on the screen.
You are going to be asked to grant permissions and to associate the add-on with a Google account.
Click on Done to complete the installation.
Now you are ready to start importing your Google Contacts.
You can also install the add-on directly from the Google Workspace Marketplace.