If you have an external CD drive, you should be able to use that.
However - you WILL run into issues running Office 2000 on Windows 8. It will probably mostly work, but you will have issues.
See this: http://answers.microsoft.com/en-us/office/forum/officeversion_other-word/can-i-install-office-2000-on-windows-8/4ec46ea7-73ed-471b-a7e9-c1943db6223e
Windows Compatibility Center says no.
But it probably work, sort of. Be advised....there haven't been any security patches or upgrades on that since 2009.