Scroll and tap on Log out from all devices.

It will show all the active sessions there.

Tap on the Settings Icon (gear icon at the bottom-right side of the screen).

You can follow this guide to learn how to logout from WhatsApp Web. Once you are done using WhatsApp Web, you may want to logout from WhatsApp because it is not safe to have your WhatsApp Account opened on the PC when you are not using it.

All the messages will be synced across and anything that you do one device will be applicable to both.As you scan the QR Code, your WhatsApp account will be now accessible through your PC.Scan the on-screen QR Code using the WhatsApp Scanner from your mobile phone.Now, open on a web browser on your PC.Tap on the Settings Icon and open WhatsApp Web/Desktop.Keep in mind that your mobile phone needs to be actively connected to the internet for WhatsApp Web to work. You can follow this quick guide to learn how to use WhatsApp Web on PC. Using WhatsApp Web is an easy thing, but for some people who have no idea about how it works may not know about it.

WhatsApp Web is available for most of the Android and iOS Smartphones. Any message that you send via WhatsApp Web will also be available on WhatsApp on your mobile phone. All the messages of your WhatsApp account are synced across and you can see all of the messages on both of the devices. WhatsApp Web has the same functionality as the WhatsApp on your mobile phone and you can instantly send and receive messages through WhatsApp Web.

Whatsapp web web whatsapp