Connecting pc to router

[bambi 297]

Hello,
I have a wireless router downstairs connected wirelessly to laptop. I want to add my home pc which is upstairs(and I think not wireless adapted).Is there something I can connect to pc to access the router.

 

[Emerald]

what router are you using?

how good of a signal do you get with the laptop when located next to the PC?

there are internal network cards and USB network cards available.