Manually installing Android ADB USB Driver

Goto your Computer folder and right click on your option key and click on properties

Open the System Properties dialog (press Win+Break on the keyboard or locate "Computer" in Start Menu, right-click on it and select "Properties".
Click on the "Device Manager" link.

  In the Device Manager locate your Android device. Then right-click on it and select "Update Driver Software".

Select "Browse my computer for driver software".

Select "Let me pick from a list of device drivers on my computer".

 Select "Show All Devices".

Press the "Have Disk" button.

Enter the path to the Google USB driver. Normally it is located in the following directory:

C:\Program Files (x86)\Android\android-sdk\extras\google\usb_driver

 

 

 Select "Android ADB Interface" from the list of device types.

Confirm the installation of the driver by pressing "Yes"

Confirm the installation again by pressing "Install".

When the installation is done, press "Close".