Keep this in a safe place on your system. Then you're going to need the Google USB driver for Windows. You may have attached your phone or tablet to your PC before, but these specialist drivers enable you to do more go!! than just copy over music and photos. Finally, you're going to need the Android SDK kit , which you can unpack in a folder of your choicejust remember where that folder is. On your Nexus device, open Settings then choose About phone/tablet. Tap the Build number seven times to activate the Developer options entry on the Settings screen, then go back and select it. Switch on USB debugging, which enables you to swap out the device's operating system, among other functions. Plug your phone or tablet into your computer and make sure it's connected as a camera device (PTP) rather than a media device (MTP)you should be able to do this from the drop-down notifications drawer. If you see a confirmation message asking whether to allow USB debugging, choose OK. Update the relevant Windows drivers using the Google USB driver we downloaded earlier.
Original article here: http://fieldguide.gizmodo.com/how-to-install-android-l-preview-right-now-1599055870/+barrett