If you have a desktop computer and your motherboard don’t have onboard, then still you can connect your PC wirelessly by installing a PCI-E card. But don’t buy any chip PCI-E card if you want high speed. To get the best speed and performance you should buy the best quality dual band wifi card. A dual-band best wifi card will cost you around $40-$100 depends on the brands. A dual-band PCI-E wifi card is enough for gaming, live streaming and doing normal tasks.