Launch Telegram app on mobile : The first step is to launch the Telegram app on the mobile device
Settings screen from inside Telegram : Click on the three horizontal lines in the top left corner. In the pop-up menu, tap on Settings
Tap on Devices Under Settings : Inside settings, scroll down and tap on the Devices option. This section allows to manage all logged-in sessions
Tap Link Desktop Device : Click on the 'Link Desktop Device' button to open the phone's camera to scan a QR code
Open Telegram Web in Your Browser : Navigate to https://web.telegram.org on your computer and prepare to admire the QR code that appears on the screen
Scan QR Code with Mobile : Using the phone's camera, scan the QR code so it shows the browser
Access to Telegram in full : Now, through Telegram Web, you can chat, share media, and manage groups with full browser access
Always log out of shared devices : To keep secure, make sure to log out of devices by going back to 'devices' on the phone and ending the session
Why is QR Code Login Secure and So Fast? - Using a QR login avoids typing passwords, reduces the risk of hacking, and makes logging in on new devices with Telegram much quicker!