Look at the sticker on the back or bottom of the device. The version is typically listed as "Ver: X.X" or "VX" (for example, "Ver: 2.0"). Version Differences:
This is where most people struggle. If you are using the V2/V3 adapter for Wi-Fi auditing or learning, the standard drivers won't let you enable Monitor Mode. tp tlwn722n driver
You can find all official drivers at the . Below are the specific download pages for the most common versions: Download for TL-WN722N V4 - TP-Link Look at the sticker on the back or bottom of the device