How to make a Save/Load Game feature using Blueprints?

Like in the topic.

I meant that for example: You finished the level and you’re gonna save the game. When you click the “Load Game” button, it will load the level you finished on.

Refer to this : https://docs.unrealengine.com/latest/INT/Gameplay/SaveGame/Blueprints/

It should contain all the info you need