Yes, this network adapter is all you need to get Wi-Fi on your PC. It supports Wi-Fi 6 (802.11ax) standards and offers transmission speeds of up to 574 Mbit/s on the 2.4 GHz band and up to 1201 Mbit/s on the 5 GHz band. This provides a fast, stable connection for streaming, online gaming and other online activities.

And don't you need a wifi card as well?