How to use the MinConfig settings *This WILL replace your current in-game settings*
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1. Log into your League of Legends account.
2. Go to your "Config" folder (default location: C:\Riot Games\League of Legends\Config)
3. Highlight, drag, and drop the following files into your "Config" folder: game.cfg and PersistedSettings.json
4. If a "Copy File" window pops up, click "Copy and Replace" for both conflicts. If not, skip to Step 5.
5. Start a Custom Game by yourself. You should have the minimum configuration settings.