assigning vertex group to an empty

is it possible to do this?
I’m using 249.2 on a mac and having trouble with using alt,control and shift.actually there is no alt key on my mac.basically all I can use are the letter keys.
thanks for your help.

is this a bug on the mac version? I used blender on windows before and everything worked ok.
this is my first mac computer,still getting use to it.

The option key on a mac acts just like the alt key on a PC. I’ve never had problems with the modifier keys on a mac, so I’m not sure what the issue is. Make sure you’re not using the command key in place of the control key (as you would do in many apps like Photoshop, OpenOffice, etc) – the command key, esp in 2.49, doesn’t do a whole lot.