It may be a little strange, but when you get it right and the the phone vibrates, the scanner is ready.
#Whatsapp web qr code not scanning mac osx
If you have Windows 8, 10 or Mac OSX 10.9, download it as follows: Download WhatsApp web from your computer by installing WhatsApp. WhatsApp Web will allow you to leave your office and home share videos, documents in different formats and photos that you have stored on your PC, which, using your cell phone, makes sending difficult.