Well, there is not just one way to access your PayPal account, there are many ways through which you can log into your account on PayPal. If you want, you can simply choose the option to log in with a QR code on the main PayPal login screen. Then, you just need to scan the displayed QR code with your mobile phone’s camera.
On the other hand, if you wish to log into PayPal with your Google account, you can choose the option to “Log In with Gmail” present on the main page. Thereafter, you can sign in with your Google account’s login credentials to access your account instantly.