usb_blaster_driver

1. Type device manager in the windows search bar and open it.

2. Right click to update the driver. Choose Browse my computure for driver software. You can find the driver in quartus installation folder. The default path is C:\intelFPGA_lite\20.1\quartus\drivers\usb-blaster. Choose that location and click ok.
   The driver will be installed. If you still have a problem that open than click here for more explanations.