How to Scan a QR Code on WhatsApp

Method1

On iPhone

1. 
   1
   Open the WhatsApp Web website. Go to https://web.whatsapp.com/ in your web browser. As long as you aren't already logged into WhatsApp here, you'll see a square, black-and-white QR code in the middle of the page.

   • If you're attempting to log into the desktop version of WhatsApp, open the desktop program instead. The QR code will be in the middle of the program's window.
2. 
   2
   Open WhatsApp on your iPhone. Tap the WhatsApp app icon, which resembles a white phone inside of a white speech bubble icon on a green background.

   • If you aren't logged into WhatsApp on this phone, you'll need to enter your phone number and verify it when prompted before proceeding.
3. 
   3
   Tap Settings. This gear-shaped icon is in the bottom-right corner of the screen. Doing so opens the Settings page.

   • If WhatsApp opens to a conversation, first tap the "Back" button in the top-left corner of the screen.
4. 
   4
   Tap WhatsApp Web/Desktop. It's near the top of the screen.
5. 
   5
   Tap OK, got it when prompted. Doing so will open the WhatsApp QR scanner.

   • If you're logged into WhatsApp Web or Desktop on any other computer, you must first tap Scan QR Code in the middle of the page.
6. 
   6
   Point your phone's camera at the QR code. Your phone should be around a foot away from your computer screen when you do this.
7. 
   7
   Wait for the QR code to scan. Once the code scans, the WhatsApp Web web page will refresh, and you'll see your messages and conversations appear.
8. METHOD 2

1. 
   1
   Open the WhatsApp Web website. Go to https://web.whatsapp.com/ in your web browser. As long as you aren't already logged into WhatsApp here, you'll see a square, black-and-white QR code in the middle of the page.

   • If you're attempting to log into the desktop version of WhatsApp, open the desktop program instead. The QR code will be in the middle of the program's window.
2. 
   2
   Open WhatsApp on your Android. Tap the WhatsApp app icon, which resembles a green-and-white speech bubble with a white phone receiver in it.

   • If you aren't logged into WhatsApp on this phone, you'll need to enter your phone number and verify it when prompted before proceeding.
3. 
   3
   Tap ⋮. It's in the top-right corner of the screen. A drop-down menu will appear.

   • If WhatsApp opens to a chat, first tap the "Back" button to go back to the main WhatsApp page.
4. 
   4
   Tap WhatsApp Web. This option is in the drop-down menu. Doing so opens the WhatsApp QR scanner page.
5. 
   5
   Tap OK, GOT IT when prompted. The QR scanner will open.

   • If you're logged into WhatsApp Web or Desktop on any other computer, you must first tap ＋ in the top-right corner of the screen.
6. 
   6
   Point your phone's camera at the QR code. Your phone should be around a foot away from your computer screen when you do this.
7. 
   7
   Wait for the QR code to scan. Once the code scans, the WhatsApp Web web page will refresh, and you'll see your messages and conversations appear.