You can build it from source.
Here is the source code: GitHub - cilynx/rtl88x2bu: rtl88x2bu driver updated for current kernels.
Here is a video on how to build from source: Building Programs from Source on any Linux Distribution - YouTube
Once you have git installed, you can clone the project with this command:
git clone GitHub - cilynx/rtl88x2bu: rtl88x2bu driver updated for current kernels. (watch the video first)