When you scan your QR code, their will be an alert popup (in which will get permission from you),Where you will allow the ongoing attempt.
After that when you allow it by giving approval you will be logged in and your desktop will be ready to go. If you want to logout from the device. Go to the User Setting in your screen and click on the option of Log Out on desktop or browser client and now you will be logged out.
Note: Only two minutes are allowed for QR codes. Simply refresh the login page or restart the desktop app to generate a fresh QR code if you don't scan your generated one within the allotted two minutes.
