Follow the below mentioned steps to install from Google Workspace Marketplace

Step1 : Go to Google Workspace Marketplace and search for Database Browser or Click here and then click on that.

Step 2 : You will get installation window. click on INSTALL

Step 3 : Map my sheet will ask your permission to installing. Click CONTINUE

Step 4 : Then it takes you to Authentication window. there you have to select your account .

Step 5 : click Allow That will completes your Authentication process.

Step 6 : Finally click on Done. That Completes your Installation process.

Now your Map My Sheet is ready to use.