Hello, this a quick guide on how to get adb and fastboot working from anywhere in command promt. You might ask why this is useful? Well if you set your system up like this, you can use adb and fastboot from practically anywhere. This is very convenient and saves you having to navigate to your SDK every time you want to do something with your phone. So let's get started! 
Prerequisites:
From now on, whenever you need to use adb or fastboot simply open command prompt and type away
If you have any comments or suggestions, please feel free to leave a reply below
Prerequisites:
- Windows 7 or Windows 8
- Java JDK downloaded and installed.
- Android SDK, preferred location:
See noteCode:
C:\AndroidSDK
- First, right click My Computer and select Properties. From there, select Advanced system settings.
- Then, select Environment Variables
- You will now get a box that looks like this. Select edit, here is the important part.
- Do NOT delete any of the text in the field, simply add:
to the end of the text field, like thisCode:C:\AndroidSDK\platform-tools;C:\AndroidSDK\tools
Note: This assumes that your Android SDK, tools and platform-tools folders are setup in the same directory as mine, if not please modify the path accordingly
- After you've edited the text field, press okay, then okay again and voila. Finished!
From now on, whenever you need to use adb or fastboot simply open command prompt and type away
If you have any comments or suggestions, please feel free to leave a reply below
