In order to manually update ... manually and browse to the folder where you downloaded the driver

About ADB (Android Debug Bridge) Drivers:

Usually targeted at developers, the ADB (Android Debug Bridge) driver basically allows advanced users to connect any Android mobile phone to a computer and find workarounds ... driver is developed for users with a richer ADB command background, it can also be used by ... you wish to apply this package, click the download button and install the driver. Also, make sure you check our website to stay up to date with the latest releases.

  It is highly recommended to always use the most recent driver version available.

Try to set a system restore point before installing a device driver. This will help if you installed an incorrect or mismatched driver. Problems can arise when your hardware device is too old or not supported any longer.