If you're asking the question at this level, no you can't.
Chromium OS (a Linux variant), and Windows 9 (not released yet, maybe a Preview this week) are completely different.
1. Do not consider using Windows 9 as a primary OS until well into next year. It is not done yet.
2. Chrome OS (Linux) and Windows are different. Sure, you can save txt docs and jpg images. Beyond that...you really need to know what you're doing.