We strongly recommend that you read through the FAQ and watch the Introduction Video before using LiveSplit for the first time.
In order to keep your settings from previous versions, copy the settings.cfg file from your old LiveSplit folder into the new one.
LiveSplit Development Build
The Development Build is released with every new change on GitHub and has all of the latest features and improvements to LiveSplit. However, this build may be less stable and have some bugs as a result.