![]() ![]() ICQ is the pioneer of current Internet instant messenger clients. Demoĭemo programs have a limited functionality for free, but charge for an advanced set of features or for the removal of advertisements from the program's interfaces. Launched in 1996 - three years earlier than Windows Messenger - it lost popularity against. In some cases, all the functionality is disabled until the license is purchased. Demos are usually not time-limited (like Trial software) but the functionality is limited. ![]() Trial software allows the user to evaluate the software for a limited amount of time. This tool is an instant messaging and VoIP client that works across platforms. ![]() After that trial period (usually 15 to 90 days) the user can decide whether to buy the software or not. ICQ is a well-known messenger designed for messaging between users from. Even though, most trial software products are only time-limited some also have feature limitations. Usually commercial software or games are produced for sale or to serve a commercial purpose. ![]()
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