wikiHow is an online wiki-style community consisting of an extensive database of how-to, step-by-step guides featuring expert-verified illustrations and videos. Founded in 2005 by Internet entrepreneur Jack Herrick, wikiHow is a hybrid organization, a for-profit company run for a social mission. wikiHow software is open source and its text content is released under a Creative Commons (BY-NC-SA) license. wikiHow states that it was inspired by Wikipedia, but it is not related to Wikimedia/Wikipedia in any way. Both organizations use the free and open-source MediaWiki software.The website aims to create the world's most helpful how-to instructions to enable everyone in the world to learn how to do anything.In February 2005, wikiHow had over 35.5 million unique visitors. As of May 2021, wikiHow contains more than 232,000 free how-to articles and over 2.5 million registered users. On April 11, 2010, a wikiHow article titled "How to Lose Weight Fast" reached 5 million page views, a first for the site. "How to Take a Screenshot in Microsoft Windows" is the site's most popular article.