Migration from LeaderHeads(top)This wiki describes the differences between Leaders and LeaderHeads. It will show how you can convert your configurations step-by-step to Leaders.
Install modules(top)LeaderHeads contains a lot of features that are build into the plugin. Leaders is different in a way that it requires you to manually install the modules. If you are familiar to QAPlugin, ArcadeBoard or PlaceholderAPI eCloud - you can compare it with this.
In order to get the same 'default' features as LeaderHeads, you need the following modules:
/leaders modules add signs
/leaders modules add citizens