In "Final Fantasy 7: Rebirth", the second week is a mode where you can restart the game after completing the first week. The method of starting the second week is also very simple. First, find the one you passed the first time. That save, start from that save and enter the game.
How to start the second chapter of Final Fantasy 7 rebirth
Find the save you passed the level and start from that save to enter the game. Then open the menu in the game, and there are chapter selections in the settings. In fact, this is already the purpose of two weeks.
If you cannot find the saved file that you passes the level and click continue, it may be overwritten.