To set up the equipment, click the kettle looking icon in the menu bar. This will open the equipment editor. You can use this to set up the volumes of your kit, evaporation rate, etc.
You can create a mash by selecting the Mash tab and clicking "Edit mash". This will let you name the mash and set some basic parameters. Follow the standard description for setting up the different mash parameters and the batch sparge. Then just click "Save mash".
The sequence of actions is best described in About => Manual. Scroll down to the "Making a mash" section.
