Mandriva One is the easiest and most secure to test and adopt Linux. The download and installation is so quick that you do not have to touch your existing data through the "live CD".
After installation, it offers a functional office and support equipment. You can opt for offices 3D amazing simplicity. Everything is provided on the One for the transition between Windows and Linux to be so simple and intuitive.
The best configuration tools let you manage your system. The One contains a single CD all the required applications for a workstation modern and efficient.