Previewing test Windows and Office beta, download:
VMware Player:
http://www.vmware.com/products/player/
Microsoft Windows:
http://windows.microsoft.com/
Microsoft Office:
http://office.microsoft.com/
Windows 8 Enterprise
http://technet.microsoft.com/evalcenter/hh699156.aspx
Office Professional Plus 2010
http://technet.microsoft.com/evalcenter/ee390818.aspx
Project Professional 2010
http://technet.microsoft.com/evalcenter/ee404758.aspx
Visio Premium 2010
http://technet.microsoft.com/evalcenter/ee390821.aspx
Office Professional Plus 2013
http://technet.microsoft.com/evalcenter/jj192782.aspx
Project Professional 2013
http://technet.microsoft.com/evalcenter/hh973401.aspx
Visio Professional 2013
http://technet.microsoft.com/evalcenter/hh973399.aspx
Office 365 Home Premium Preview
http://www.microsoft.com/office/preview/en
Windows 8 Wiki:
http://en.wikipedia.org/wiki/Windows_8
Microsoft Office 2013 Wiki:
http://en.wikipedia.org/wiki/Microsoft_Office_2013