Hello dadaso8088, If you are using Windows 10, set the default email app to Gmail. To do that, click the type here to search bar on the bottom, then type "Default apps". Change the default email to Gmail and you should be done! Tell me how it goes and, Stay Safe!

Hello dear dadaso8088, please tell us what exactly happens when you try to connect to your gmail account. We can't help without any information of the problem.

-SUMO

Could you please explain your problema little more?