download and unzip into your c:/windows/system32/drivers/ folder
download and unzip into your c:/windows/system32/
download and unzip into your adk/tools/ directory
Boot the device into recovery mode, and connect the device to your machine over USB.
- Navigate to Start > Control Panel > System > Hardware > Device Manager > Universal Serial Bus Controllers. Observe that the ADB device is listed as a USB Mass Storage Device.
- Right-click USB Mass Storage Device and select Uninstall. Windows then prompts you with a "New Hardware Found Wizard" message. If Windows doesn't prompt you, you can manually re-detect devices by selecting Action > Scan for hardware changes.
- Install the USB driver included in usb-drivers.zip that you put into your adk/tools directory.
Restart your machine and then put the phone into recovery mode and see if it's working.
There should be a device at the top of device manager called Android USB Device, under it (expand tree) there should be HTC Bootloader
See the screen shots for more info.