There are many free alternatives available for Microsoft Windows and Windows Office. Kubuntu is a linux distribution that is a free alternative for both the operating system and the office software of Microsoft.
Kubuntu is a free operating system with an integrated office package. The project has as objective to provide a simple and intuitive package to develop one that is suitable for each user.
Kubuntu has the following characteristics:
You can free download Kubuntu and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.