32 bit version
64 bit version
These are free from MS. They have a 180 day expiration, but after 180 days, it might be time to do a reformat, and reinstall for another 180 days kidding.
It's worth the download even if you are just curious about the software and want to try it out.
So you are asking where do I get the key?
Order your free kit:
And they'll email you the key!
At the time of the above posting, the files were freely downloadable. Thus the links I provided. Now Microsoft has changed their policy and they now make you register to download them, even though the trials are still free.. you must now register:
View: Register for the Server 2003 Trial Downloads
The VHDs in the catalog is currently available in English only.Download a pre-configured version of Windows Server 2003 R2 in a VHD for evaluation
You can now get a free 30-day trial version of Windows Sever 2003 R2 pre-installed and pre-configured in a VHD. Click here to access the VHD catalog with the Windows Server evaluation VHD.