- Download the repository https://github.com/PritiShaw/Dark-WhatsApp-Web.git and Unzip it.
- Go to
chrome://extensionson Chrome. - At the top right, turn on Developer mode.
- Click Load unpacked.
- Find and select the extension folder you just cloned.
- Open a new tab in Chrome and go to https://web.whatsapp.com/.
- Hurrah!