UNI-T provides two primary software tools for this model:

Remote control the oscilloscope's vertical and horizontal scales. How to Download the Official Software

Navigate to the UNI-T Download Center (uni-trend.com). Search by Model: Use the search bar and type "UTD2102CEX".

Rarely, UNI-T removes older versions. The Internet Archive may have cached copies. Also, some developers have uploaded the USB driver to GitHub (search "CH340 driver"). Always scan downloaded files with antivirus software.