It is quite a complex process for inexperienced users, so I do not recommend doing it on a computer where you work unless you really know what you are doing. To be able to do the process, you will need a series of requirements, such as that your computer has the UEFI firmware, the replacement for the BIOS that you should have on your computer if it is after 2011 or 2012.
We are going to explain how to install Chrome OS together with Windows 10, so that when you turn on your laptop you can choose between using Windows or the Google operating system. And no, we are not going to use one of those GNU / Linux distributions modified to look like Chrome OS, but the original system through one of its recovery files.