ADB Command will only work if you have installed its drivers. So, you have to download the drivers before executing the command.

His new Universal ADB Driver works with a wide range of Android devices and supports Windows XP or later. It doesn’t require you to disable driver verification on Windows 8, like some other drivers.

He has put together a universal ADB driver that should install on any version of Windows without having to turn on test signing or disable driver verification.

The Android Debug Bridge (ADB) driver, contained in WPD, is the universal Android USB driver – plug an Android device into your computer and ADB does the talking.

The first time I tried using ADB after updating my PCs to Windows was a very unpleasant experience. What worked so well on Windows 7 was apparently borked in Windows 8 thanks to the new driver ...