MPLAB IDE 64-Bit USB Device driver first time installation
Installing a running Run setup_USB_I2C.exe It unpacks self into USB-I2C.exe and Microchip MCP2221DLL-M-dotNet4.dll files , that are necessary for run on 32 or 64bit Windows. (For older OS than Windows 7, i.e. Vista or XP SP3 maybe you also need to ...
USB driver for Windows 7
Manually Install Drivers for Real ICE™ or ICD 3 - Developer Help
MPLAB IDE 64-Bit USB Device Drivers Installation - PDF Free Download
Microchip USB driver for PIC18F4550 (Windows 7 64-bit) - Welcome to fsaye.eu