If you have installed the drivers but the tool still says "Waiting for USB Port," try these quick fixes:
Many users have reported that after upgrading from Windows 8.1 (the tablet’s original OS) to Windows 10, or after resetting the PC, the touchscreen stops working entirely. That’s because the 2.82 driver contains the proprietary initialization. Downloading and reinstalling this exact driver version is the only reliable fix. xtm miracle thunder 2.82 driver download windows 10
: Offers a collection of Miracle device drivers verified for Windows 10 (32/64-bit). If you have installed the drivers but the