What is copyright?
Types of copyright
Freeware: Copyright that you can use or give away for free. For example, iTunes of Safari.
Shareware: Free trial availible after so many days you can decide whether to purchase it or not. For example, Minecraft lite and AOL.
All Rights Reserved : Used by the purchaser according to the details in the license. For example, Office 365 or Grand Theft Auto.
Open Source: Software that includes source code so people can edit it. For example, Firefox and Chrome can have updated benefits.