How to boot into Safe Mode in Windows 10
Use the “Shift + Restart” combinationAnother way of getting into Safe Mode in Windows 10 is to use the Shift + Restart combination. Open the Start menu and click or tap on the Power button.
Then, while keeping the Shift key pressed, click or tap on Restart.
Note that you can also use the Shift + Restart combination from the Sign In screen: click or tap Power, press and hold Shift and then click or tap Restart.
Then, Windows 10 reboots and asks you to select an option. Choose Troubleshoot.
Then, on the Troubleshoot screen, select Advanced options.
On the Advanced options screen, choose Startup Settings.
Windows 10 says that you can restart your device to change advanced boot options, including enabling Safe Mode. Press Restart.
After Windows 10 reboots, you can choose which boot options you want to be enabled. To get into Safe Mode, you have three different options.
To enable Safe Mode press the 4 or the F4 key on your keyboard, to enable “Safe Mode with Networking,” press 5 or F5, and to enable “Safe Mode with Command Prompt” press either 6 or F6.