Don't beleive them - you can install the router with the wireless adaptor- Install the wireless adaptor on your PC-
Then boot up the router open Internet Explorer or Firefox find the IP address from the instructions typically something like 192.168.0.1 enter into the address bar you will see a log on box you need the login details the admin name and password (will be in the instructions ) you will be on the router configuration page
Enter the details relating to your ISP -you need to get these first - when entered the router will connect
When all is well enable WPA PSK encryption on the router and on the wireless device on the PC
Then you're finished!!
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