The most convenient method is using a browser-based tool that supports the .es3 format.
You cannot always just "add" an item via the editor GUI. Instead: save editor es3
can edit raw binary data, but this is risky without a specific offset map for the game backup your original save file in a separate folder before making any changes for a particular game? The most convenient method is using a browser-based
Is using a cheating? Technically, yes. But context matters. yes. But context matters.