Sometimes you may need free software for your computer and note book. When you are browsing, you may find some websites which offers free software. However, you should be careful since some of them might be viruses. These viruses have the ability to harm your computer. Because of this reason, you should be careful. Some companies give free software in order to advertise the full versions. The commercial full versions provide more features for the users. For the people who like the free version, you are recommended to get the full versions.