Linksys Wireless-G help

The model number of the Linksys is a
Model # WUSB54gv2

I was wondering is their any way i could get this kind of wireless to work on the computer; Just bought a new psu, 4 gbs bought so now i have 8 gbs of ram, and Gpu and as a result im broke untill next pay check D:.

I was wondering if anyone has any ideas own how i could troubleshoot this, For example my computer doesnt even know i have a wireless.

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