If your trying to login to Safe Mode in Windows 8 good luck. Microsoft has hidden the F8 key so that Windows can boot up quicker. The key to be able to go into Safe Mode is to disable Windows boot option.
Here's the tip below to enable Safe Mode booting but be aware that this will now cause Windows to load slower.
Link
Here's the tip below to enable Safe Mode booting but be aware that this will now cause Windows to load slower.
Link