Activate Safe Mode on the sign-in screen pressing “Shift + Restart” Below are a few options for launching Windows 10 in Safe Mode: 1. The users need to go through some extra steps to get into Windows 10’s Safe Mode if the safe mode with command prompt not working. This isn’t the moment to inform you that Windows 10 may not have a Safe Mode. Although the Windows 10 starting method is now quicker than before, a certain strategy no longer works anymore. If you have started operating Windows 10 for some time being, you’ve probably observed that launching Safe Mode with the F8 or SHIFT + F8 buttons on the keypad no longer functions. 1 How to boot into Safe Mode on Windows 10.