The Realtek RTL8822BU chip that is built into many USB WiFi/Bluetooth adapters has drivers for Windows 11, 10, 8.1 ,8 , 7, Vista and Windows XP. Drivers for WiFi and Bluetooth should be installed separately but keep in mind that not all devices utilize the Bluetooth component.
Drivers below are listed below newest first, so it you are running Windows 11 or 10 then use the latest drivers in this case version 1030.44.0727.2022
for WiFi and 1.8.1037.3006
for Bluetooth. To download click on the link on for each driver you need you will be taken to a page dedicated to that driver. Follow the instruction to extract the zip file and install the driver.