Assuming you have downloaded the Windows 7/8 driver (64-bit or 32-bit depending on your OS), here is the proven method to install it on Windows 10.

While Sony's standard consumer support pages often list drivers for Windows 7 and 8, specific medical printer packages have been released to maintain compatibility with modern operating systems: Sony Asia Pacific Sony Medical Support Sony Professional Support

after the installation is complete to ensure stable operation. Troubleshooting Compatibility Printer Driver - Sony

If all else fails, you can still use the Sony UP-D897 with Windows 10 by creating a virtual environment.

If you have the installation files (e.g., from the original CD or a download), follow these steps to ensure Windows 10 recognizes the device: