How do I install Windows 2000 and NT Ser

Things to keep in mind is that NT 4 can't see NTFS 5 yet 2000 can see NTFS 4. Split the hard drive partition to two partitions, one for each OS. Install 2000 first

There's a comprehensive discussion here, and it says install NT first:

http://www.worldowindows.com//dualbootnt2000.html

I would install NT first and have 2-3 partions.....C: = OS....and D: for your programs and/or storage

Starting with SP4, Windows NT 4.0 includes an updated NTFS driver which supports reading and writing to a Windows 2000 NTFS volume. Install SP4 or greater prior to installing Windows 2000.
When you install Windows 2000, all mounted NTFS volumes areconverted. This new NTFS supports features like disk quotas, encrytion, and mount points. These features will only work when booted to Windows 2000.

Also check:-
http://support.microsoft.com/support/kb/articles/Q183/0/90.asp

Definitely install NT 4.0 first - this is how I've done it w/no problem. Also, you do want to have a separate disk or at least partition for 2000 - they use the same WINNT directory for the system files, but use different profile folders, etc. Hope this helps!

You can put both OS on the same partition or on different partitions. Believe you should try NT 4.0 first and then 2000.

However, be sure that you have different NetBIOS names for each OS you run...

Well the best thing is to have 2 partitions/harddrives with at least 1000mb on each first install NT4 then run setup.exe for Windows 2000 in NT4 you get an option to choose partition click yes in the box now when you start Dos and the installation takes place you can choose to install Windows2000 on the 2nd partition

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