GNU/Linux Pop!_OS TP-Link TL-WN821N V5/V6 Wifi Driver Setup – Step-by-step Guide
Hi! The linked Tutorial shows you Step-by-Step How to Install TP-Link TL-WN821N V5/V6 Wireless 802.11ac Driver in Pop!_OS GNU/Linux Desktop.
And the Pop!_OS TP-Link TL-WN821N V5/V6 Adapter is based on the Realtek rtl8188EU Chipset.
So here below you find instructions to Install rtl8188EU Driver on Pop!_OS.
Especially relevant, if you are Unsure about your Wifi Device Chipset then see: How to Get Wireless Adapter Info on GNU/Linux.
GNU/Linux Pop!_OS TP-Link TL-WN821N V5-V6 Wireless Driver Installation Guide