Another claimed feature is mIRC's file sharing abilities, via the DCC protocol, featuring a built-in file server. The scripting language can be used to make minor changes to the program like custom commands (aliases), but can also used to completely alter the behavior and appearance of mIRC. One is its scripting language which is further developed with each version.

MIRC has a number of distinguishing features. The application makes an appearance in the 2006 music video for ' Boten Anna' by Basshunter. The current version supports Windows XP and later. MIRC 5.91 is the final version to support 16-bit Windows 6.35 is the last to support Windows 95, NT 4.0, 98, and ME. mIRC is shareware and requires payment for registration after the 30-day evaluation period. The author states that its subsequent popularity allowed him to make a living out of mIRC. He then continued developing it due to the challenge and the fact that people appreciated his work.

Mardam-Bey states that he decided to create mIRC because he felt the first IRC clients for Windows lacked some basic IRC features. He began developing the software in late 1994, and released its first version on 28 February 1995. MIRC was created by Khaled Mardam-Bey ( Arabic: خالد مردم بي), a British programmer. In 2003, Nielsen/NetRatings ranked mIRC among the top ten most popular Internet applications. MIRC has been described as 'one of the most popular IRC clients available for Windows.' It has been downloaded over 40 million times from CNET's service. It is a fully functional chat utility and its integrated scripting language makes it extensible and versatile. MIRC is an Internet Relay Chat (IRC) client for Windows, created in 1995.

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