I have installed Ubuntu with dualboot alongside Windows. Everything is working, but I can't connect to wifi. I think Ubuntu didn't download my WiFi adapter's driver. How can I download it? Thanks.
The output of lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 2357:0120 TP-Link Archer T2U PLUS [RTL8821AU]
Bus 001 Device 004: ID 1a2c:2d43 China Resource Semico Co., Ltd USB Keyboard
Bus 001 Device 008: ID 04e8:6864 Samsung Electronics Co., Ltd GT-I9070 (network tethering, USB debugging enabled)
Bus 001 Device 003: ID 0c45:64ab Microdia Integrated Camera
Bus 001 Device 009: ID 0951:1666 Kingston Technology DataTraveler 100 G3/G4/SE9 G2/50
Bus 001 Device 002: ID 1a2c:0043 China Resource Semico Co., Ltd USB Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub