1. Download archive 'dc.zip' from url 'http://www.cs.put.poznan.pl/mantczak/datastore/media/ics/dc.zip'
2. Unzip dc.zip
3. Double-click on simulator 'logisim-generic-2.7.1.jar' available in directory 'dc'
4. From File menu select option Open...
5. Find and Open example project file (ie. 'example.circ') available in directory 'dc'
6. Select Poke Tool from Base palette
7. Click using left mouse button on inputs (ie. 'A', 'B', 'C') to change their values, and observe how the output of the following circuit will change
8. To find additional information you should read file 'logisim_tutorial.pdf' available in directory 'dc' or open following url 'http://www.cburch.com/logisim/docs/2.3.0/guide/index.html'