Can t install whatsapp on android time issue?

... connect to Internet, open your Android device and navigate to Settings ... the green **Install button. If the issue persists, use support@<b>whatsapp</b>.com email ...  

WhatsApp is unable to install. Can, you, please, send me a message about it?  

I can't install WhatsApp for Dell Aero.  

android.informer.com/3.0.0.6181/">http://skype1.android.informer.com/3.0.0.6181/