Safe Mode in Windows 8 and Windows 8.1 is not too different from the Safe Mode found in earlier versions of Windows.
Here's the method for booting into Safe Mode.
1- Press Ctrl + R > type msconfig > Press Enter
2- Go to the Boot tab > Check the box Safe boot > Click OK
3- You are informed that you need to restart your computer. Click Restart or Exit without restart depending on whether you want to restart now or later.
4- Windows 8 and Windows 8.1 will start in Safe Mode.
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