[AncientPC]

Yes, I'm assuming it has connection for network cables in the back and is not a wireless only router.

If it is just a wireless router, then you will have to buy wireless cards for both your desktops and set up a wireless network.

You can also do this if you don't want to drop wires behind the walls or have them running along the floor.

Keep in mind that wireless connections are significantly slower than wired connections. The difference isn't noticeable when you're browsing the web / e-mail, but it will be if you're transferring gigs of data.