ADB Fastboot and USB Driver installer tool for Windows, which will always install the latest version.
To update the adb fastboot and usb drivers again, just rerun the tool.
Windows 7 and above
1. Download Latest-ADB-Installer.bat and double click on it to run the installation process.
In Window 10, you will see Blue color box, during installation, click on More Info and click Run/Run anyway to start Installation.