Login to Enterprise Dashboard with your Admin credentials
- Click on User Management module
- Click on Users and select the user
- Navigate to Access and Rights
- Click on "Select one to add" dropdown
- Click on Product access
- Add the relevant product
- Click on Save icon displayed on the top right corner to save the changes made
- Click on Overview module and click on "Go to Marketing Cloud" link
- Now click on the dots available on the top right corner to check the added products are enabled
- Sometimes the product would still be in disabled state due to cache, in that case please try to re-login to the Marketing cloud account to see the product enabled