We already shared with you Android M Developer Preview download links and flashing guide. Here is how you can root Nexus 5 on Android M after you have updated it to the latest mobile OS.

Prerequisites to root Nexus 5 onAndroid M MPZ44Q:

Create a backupof all important data in your device.Download and install USB drivers forLGNexusin your computer.Enable USB debugging option by pressingMenu>Settings>Applications. Navigate and tap onDeveloper Optionsto ensure thatUSB Debuggingis enabled.Ensure that your Nexus 5 carries more than 70% of charge.

Note:do not try this tutorial if you aren't aware about rooting process and fixes. In any case, Wccftech will not be responsible of any damage to your device.

How to root Nexus 5 onAndroid MMPZ44Q:

Required files:

Download SuperSUon your computerDownload Android SDKDownloadFastbootWindowsMacLinux

Extract Fastboot in android-sdk-windows\platform-toolsdirectory; create it if you don't have it (skip this step if you have everything setup already).

Next,

Connect your Nexus 5 to your PC using USB cable.CopyUPDATE-SuperSU-v2.46.zipto your Nexus 5's SD card root.Power off your Nexus 5.DownloadCWM 6.0.4.5 and save it inandroid-sdk-windows\platform-tools directory on your computer.Boot in to Fastboot: useVolume downandPowerbuttons simultaneously until you see thebootloaderscreen with STARTon top.On your PC: navigate to android-sdk-windows\platform-tools>Open Command Prompt (Shift + Right-click > click on Open Command Prompt) and type:

fastboot flash recovery recovery-clockwork-touch-6.0.4.5-hammerhead.imgWhen done, choose Recoveryin the Fastboot menu.From recovery menu, selectinstall zip fromsdcardfollowed bychoose zip fromsdcard.Locate the UPDATE-SuperSU-v2.46.zipand confirm the flashing process.When done, return back to main recovery menu and reboot yourNexus 5.That's it.

Enjoy your rooted Nexus 5 on Android M - the very latest OS from Google.