Make sure you have the latest update and you must have Debug Console Enabler
Extract ether one and send the Mods folder to the root of the witcher 3 game foulder
Use the console by pressing ~ and type:
additem('Gryphon School steel sword') then press enter
additem('Gryphon Pants 1') then press enter
Go into your inventory and equip it.
If the level is to high for you to equip it then search for Remove Item Level Requirements