Windows 8 on Office 2013
The very first thing I installed on my Windows 8 laptop was Office 2013 Preview. I've been using it for a few days now. I installed even the OneNote MX app on Windows 8.
Everything seems to be working pretty well.
When you install Office 2013, you will need to connect with SkyDrive so you can share your document on SkyDrive.
I am actively using Word 2013, Excel 2013 and Project 2013.
Word 2013 Preview looks like the following:
Excel 2013 Preview looks like the following: