Install WhatsApp in PC Without Using BlueStack. BlueStack require 2 GB of RAM which makes it incompatible with old hardware system. But there is an good alternative for BlueStack which can run in l GB of RAM. Also these alternative for BlueStack doesn’t require any graphic drivers. YouWave Android Player as we talked about it in my previous post that it is one of the best alternative for BlueStack but it suffers from some limitation 1) it is not free however you can try this as a trial for 10 days 2) Some Apps are not working correctly or incompatible.