How to manually install drivers for USB device in Windows 7. 

           To install driver software manually for any device is so easy. You just have to follow these easy steps.

• Press Windows Key or click on Start button.

• Then click on Devices and Printers.

• There, you will you see a icon like one display right side.

• Right click on that icon & click on Properties. 

• Go to Hardware menu and click on Properties tab.

• It will open in new dialog box.

• Click on Change Settings.

• It will open again with Administrative rights.

• Click on Update Driver. 

• A new dialogue box will open with two options .

• Select the second one, "Browse my computer for driver software".

• In Browse for folder, select the folder where your drivers are located, then click Ok. 

If the drivers, you want to install are compatible with the device you want to install, then the drivers will be installed and you will see your device icon in Devices and Printer area.