Chromebooks are a cheaper alternative to windows-based laptops. However, because Chromebooks are web-based devices, they come with limited functionality. They are great for internet-based activity. And you can used web-based Microsoft products like Office 365 within your browser. However, Chromebooks do not allow you to install windows applications on them.
Recently though, Google has announced that it is partnering with Parallels in order to bring windows support to Chrome OS. Parallels Desktop will be integrated natively into Chrome OS, allowing offline use of Windows applications like the Microsoft Office Suite of apps.
This development will allow companies to consider Chromebooks as laptop alternatives for employees without having to invest in the more costly Windows alternatives.
This move means that in the future Chrome OS will be able to support both Android apps and Windows apps.
Source: The Verge