TikTok is a social media platform that allows users to create, share and discover short-form videos. Originating in China under the name Douyin, it is the brainchild of ByteDance, a Beijing-based technology company.

TikTok is an astronomically popular web app worldwide. But its Chinese ownership has proven problematic and led to several bans and threatened bans, most recently in the United States.

It's free to use, and you'll just need to make an account to get started. This wikiHow will show you how to download and install TikTok on your iPhone, iPad, Android, or Windows device.

In one of the most significant signings, video-focused social networking operator TikTok is looking at a major chunk of space in Sydney's soon-to-be tallest office tower. It is in talks to take about 4400sq m in Lendlease's 55-storey Salesforce Tower, which topped out last month.