#### Open Powershell as admin

#### To Enable
```powershell
Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V –All
```

#### To Disable
```powershell
Disable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V-All
```

More info : http://www.poweronplatforms.com/enable-hyper-v/