I tried to download the zip file, but I have difficulty in finding one among the product list.

I know my xbee is series 2 and PN, which is not enough to exactly match my xbee to the product list.

Hi,

What are you looking for?
If it is related to firmware or documentation, you can find it here, http://www.digi.com/support/productdetail?pid=3430

Hi,

Digi products firmware starts from 82xxxxxxx and documents like product manuals and release notes etc starts from 9xxxxxxx