07-05-2013 02:15 PM
Welcome to BlackBerry Support Forums
You can try installing BlackBerry App World using a Computer , refer to this Article from Knowledge Base :
KB31325 : How to install or update the BlackBerry App World application using a Computer system.
I hope it will helps.
07-06-2013 03:13 AM
Yes currently BlackBerry App World works even without an active BIS over an wifi network , but few minimum requirement are there . Have a look at this Article from Knowledge Base :
KB17659 : Minimum requirement for BlackBerry App World
But if you activate a BIS plan then you can use it anytime over your Mobile Network.