If however, your tablet already has a SIM card slot, the procedure becomes pretty straightforward:

Once done, you are ready to use the app.

This time you will be given the option to type in code.Choose this option, so the code can then come on your phone. Because your device is without a SIM card, the app isn’t able to receive the verification code automatically and if the app refuses to give you the area to punch in the code yourself, then in five minutes’ time, it will show you another option of call / voice verification.If you don’t get the code, skip to point 8. The code will be sent to the phone number via SMS, if the phone is nearby, just see the code and punch it in the tablet when you get the chance to.Use a working phone number to setup WhatsApp on tablet.Download the latest ‘WhatsApp.apk’ from the link provided above.

Open any browser on your tablet and go to the download page of WhatsApp.Enable your tablet to install unknown sources by going to Settings, and then securities followed by Unknown Sources.Here is what you need to do to download WhatsApp on an Android tablet without a SIM card: Points to Ponder WhatsApp Installation Guide for Android Tablets

Download and install whatsapp for pc