You can enter the Windows Recovery Environment by repeatedly turning your computer off and on.
1-Hold down the power button for 10 seconds to turn off your device.
2-Press the power button again to turn on your device.
3-On the first sign that Windows has started (for example, some devices show the manufacturer’s logo when restarting) hold down the power button for 10 seconds to turn off your device.
4-Press the power button again to turn on your device.
5-When Windows restarts, hold down the power button for 10 seconds to turn off your device.
6-Press the power button again to turn on your device.
7-Allow your device to restart into Automatic Repair, and select Advanced options to enter winRE.
8-On the "Choose an option screen", select Troubleshoot > Advanced options > System restore