Step 1: Go to Settings.

Step 2: Under Accounts, tap on + Add account.

Step 3: Then select Google.

Step 4: Under Add a Google account, tap on Existing.

Step 5: Now specify your Google Workspace institutional email and Password in the Sign in prompt, then tap the next arrow.
Example of a Google Workspace Institutional email:

Step 6: You will be prompted to agree to the Google Terms of Service and Privacy Policy, etc. To agree, tap OK

Step 7: Wait while your device connects to the Google Mobile Services.

Step 8: You may opt to receive news and offers from Google Play.

Step 9: After successful sign-in, you may choose which of the Google Workspace for Education Services you want to sync with your Android device. Then tap the next arrow to exit from the Google account setup screen.

Step 10: Finally, download and install the following [FREE] Google Mobile Services apps from Google Play