Step 1: Log into your GA4 account.

Step 2: Go to the Admin setting located at the bottom left of the screen

Step 3: Click on “Property Access Management”.

Step 4: Click the plus sign in the top right corner to add a new user.

Step 5: Enter the email address of the new user you are trying to add. Choose the role that you think is most applicable for your new user, then click Add in the top right-hand corner.

Step 6: The new user should receive an email getting access to your GA4 account. They should click on the link.

Step 7: The new user could either go straight to the home page of the GA4 account or go to the settings to finish the setup of the account if need be.