Help - Samsung NP700Z5C rollback to factory state (from W10)

Hi everyone!

I own a Samsung Series 7 Chronos NP700Z5C-S03PT that I bought with Windows 8 installed from factory. With time I went through all of the updates and I now have Win10 (part of the free automated Windows upgrade process). Unfortunately, the laptop has been lacking performance lately and I really feel that I'd like to restore it to its former glory. The thing is, I know how easy it is to brick these puppies. So, I come for a bit of help!

How should I go about the process of...

Help - Samsung NP700Z5C rollback to factory state (from W10)

Help - Samsung NP700Z5C rollback to factory state (from W10)