computer wont log into my wireless network

Do this on the laptop that is connected to the Wifi . Did you install the USB WiFi adapter to the desktop ?

Can you PrntScrn the window you're in ? Before you try to click on the Security tab

Press on the Fn key and press the PrntScrn key

No code has to be inserted here.

Ok when you right-click on Wireless Network Connection choose Status . On the Wireless Network Connection Status window click on the Wireless Properties button . On the next window Kevin's Wireless Network Properties window you should see a Security tab next to Connection tab . Click on the Security tab click the white box next to Show Characters .