Download:

https://livesplit.org/downloads/

After downloading, unzip the file, and run LiveSplit.exe

To import splits:

1. Navigate to the "Resources" tab for above and download the splits that you would like to use
2. Open file explorer and double click the file you just download

This should open the splits in LiveSplit automatically

How to enable global hotkeys (HIGHLY RECOMMENDED):

1. Right click LiveSplit and click "Settings"
2. Enable "Global Hotkeys"

This allows the livesplit to be interactable without having to toggle to the tab directly, allowing you to split while still being tabbed in on MiSide

I also recommend comparing against your personal best, which can be changed by right clicking and then clicking "compare against" and switching to personal best

ENABLE GLOBAL HOTKEYS It is a setting I see most new users not using, it helps a lot trust me