Chrome is the fastest, most secure browser on the market today, and it is free from Google. The Chrome browser runs on nearly every platform — Mac, PC, iOS, and Android — and lets you bring your bookmarks, history, and settings with you across all of your devices. Themes, apps, and extension let you customize your Web experience and integrate applications and services.
Chrome OS is the commercial version of the chromium operating system. Chrome OS is the power behind the success of Chromebooks and other Chrome devices for business, government, and education.