The authors describe an educational software program to use to administer medicines. They describe how a computer can help become an educational resource in nursing and the phases used to develop and evaluate this program. This program has five modules: 1. General instruction, 2. Avoiding errors, 3. Procedures, materials and supervision, 4. Possible complications, 5. Professional orientation; in addition, there is a summary module. This system has a total of 27 study units, 7 knowledge tests, 17 videos, and 34 photos. 24 students in undergraduate nursing were the study group on which this program was evaluated. Results were positive and some suggestions to improve this program were obtained. The authors concluded that this study is an improvement in teaching since this proposes a technological innovation which has possibilities for future development and due to its application of the latest technology for the nursing profession.