Below you will find the instructions needed to reboot your PC into Safe Mode. The way to do that varies depending on what version of Windows you are using.
How to Enter Safe Mode in Windows 7 and XP
Open your Start Menu and click on Restart. Wait for the PC to shut down and the moment you see it starts booting, start pressing the F8 button. Make sure that you start doing that as soon as your PC turns on, if Windows starts loading, you’ve missed the moment and you will have to do this again. Once the you get to the boot menu, select Safe Mode with Networking by hitting the corresponding number on your keyboard.
How to Enter Safe Mode in Windows 8 and 8.1:
Select the Start Button and go to Control Panel > System and Security > Administrative Tools > System Configuration. Once there, check the option labeled Safe Boot, select OK and click on Restart. Your PC should now boot into Safe Mode.
How to Enter Safe Mode in Windows 10:
Click on the Start Menu and select Settings. Go to Update & Security > Recovery. From the Advanced Startup section, select Restart now. After your PC restarts and loads to the Choose an Option menu, go to Troubleshoot > Advanced options > Startup Settings > Restart. Once your machine reboots again, select the Safe Mode with Networking setting by pressing the respective number from your keyboard.
Once this is done, and your PC gets into Safe Mode, where only the crucial system processes will be active, and anything unnecessary and potentially unwanted won’t be functioning, leaving you with the opportunity to take it out of your system