V2 and V3 require manual driver compilation on Linux, especially if you need monitor mode for penetration testing. Installation via Terminal (Ubuntu/Debian/Kali):

I can provide targeted terminal commands or configuration steps to help you resolve your issue! Download for TL-WN722N V4 - TP-Link

git clone -b v5.6.4.2 https://github.com/aircrack-ng/rtl8812au.git

Look on the sticker on the device or the box.

This is the original version that earned the TL-WN722N its legendary status. It utilizes an Atheros AR9271 chipset . This chipset is highly prized in the Linux community because it has native, open-source driver support ( ath9k_htc ), which works "out of the box" with most distributions and supports advanced features like monitor mode and packet injection. However, this version has been discontinued for many years and is now very difficult to find except on the second-hand market.

For macOS users, the TL-WN722N driver can be downloaded from the TP-Link website. Here are the steps: