The Construct 2 editor currently only runs on Windows. Please see our FAQ for information on supporting other systems.
Despite the fact Construct 2 itself only runs on Windows, it makes HTML5 games which can run on a wide variety of computers and devices. See the Technology section for more information.
You can get by fine without these, but if you can they're nice to have.
To preview your HTML5 games you need a modern HTML5-compatible browser. Browsers are free to download and install. HTML5 is also relatively new technology, so it's important to also keep your browser up to date to its latest version. Supported browsers are:
Scirra recommends Google Chrome or Mozilla Firefox.