Install windows 2000 after you have installed windows XP

If you want to install two windows (windows 2000 and XP) on the same computer then the sequence is that first install windows 2000 then windows XP. But if you have already installed windows XP on your computer and now want to install the windows 2000 on the same computer then after windows 2000 setup your XP windows will create problem. Follow the given steps how to install windows 2000 after you have installed windows XP.

First backup the NTLDR and NTDETECT.COM files in windows XP, locate these files NTLDR and NTDETECT.COM in the boot drive (normally in C drive root directory). Usually these files are hidden files but you can locate to adjust your explorer options to show them. You can search these files on your computer C drive.

Now copy these files on USB drive or write on black CD. But you can also save these files on other hard disk drives like D or E drive.

After backup these files, boot your computer from bootable windows 2000 CD and run the windows 2000 setup.

Try to install the windows 2000 to a different partition that XP is installed. After complete the windows 2000 setup, boot your computer into windows 2000.

When your computer boot into windows 2000, attach the backup drive that you used earlier for backup, now copy back NTLDR and NTDETECT.COM to the root directory of your boot drive.

Now, you'll be able to restart your computer and boot into windows 2000 or windows XP.