If your Wi-Fi card looks like this one, then from your picture it looks like the top slot will accommodate the two gold inserts on the bottom of the card. So, unscrew the plate/cover for that top slot, make sure your computer is unplugged, https://codessaver.com/store... make sure your body is electrically/statically discharged, then install the Wi-Fi adapter into your main/motherboard. Watch a YouTube video on the subject if you've never done this before.