This article describes how to remove a Windows 2000 upgrade
and restore Microsoft Windows 95 or Microsoft Windows 98. NOTE
: The procedures that are described in this article are not a
method of recovering a Windows 95 or Windows 98 installation. This procedure
requires you to reinstall Windows 95 or Windows 98 and all your programs.
The following topics are contained in the "More Information" section
of this article:
- Is the file system FAT/FAT32 or NTFS? If NTFS, see the
"Removing NTFS" section.
- Do you want to save files? See the "Renaming Folders"
- Is Windows installed in the Windows folder? See the
"Renaming Folders" section.
- You have all your files backed up. See the "Removing
Windows 2000 Files" section.
- Do you need to free up space to install Windows 95 or
Windows 98? See the "Freeing Up Disk Space" section.
If you backed up all of your data before you installed Windows
2000 or you do not have any data that needs to be retained, you can reformat
the hard disks in the computer and reinstall Windows 95 or Windows 98. To
reformat the hard disk, see the "Removing NTFS" section in this article.
: Formatting a disk deletes all the files and data. Format a disk
only if all of the files that you want to keep are backed up.
Identify Which File System being Used
NOTE: If the disk is using the NTFS file system, your options for
returning to Windows 95 or Windows 98 are limited. Windows 95 and Windows 98 do
not read or recognize NTFS, and you cannot convert the disk to use the FAT or
FAT32 file system. The bootable disk you use and the drive on which you want to
install Windows 95 or Windows 98 cannot use NTFS.
- Double-click My Computer on the desktop.
- Right-click the disk you want, and then click Properties.
- Look for the File System entry.
Microsoft does not
support any third-party solutions for converting NTFS to FAT or FAT32.
If the drive is using the FAT file system, you can install any
operating system. If the drive is using the FAT32 file system, you can install
Windows 95 OEM Service Release 2 (OSR2) or later.
- Check how much disk space is available. Check your Windows
95 or Windows 98 documentation to determine the amount of disk space that you
- Create or find a Windows Startup disk that contains CD-ROM
drivers so that you can gain access to the computer's CD-ROM drive.
NOTE: If you cannot gain access to the CD-ROM drive, you may need to
copy your Windows 95 or Windows 98 installation files to your local hard disk.
This requires additional disk space.
- Start your computer by using the Windows 98 or Windows 95
Startup disk. Verify that you can read the CD-ROM drive, and then run the
sys c: command from the command prompt.
NOTE: This command transfers the boot files to drive C and copies the
boot sector. After you run this command, you can no longer start Windows
If you install Windows 95 or Windows 98 on the same drive on
which Windows 2000 is installed, you need to rename the following folders to
prevent possible conflicts in Windows 95 or 98.NOTE
: If you reformat the hard disk, you do not need to rename any
Removing NTFS Drives
To remove the NTFS file system, reformat the hard disk to use the
FAT or FAT32 file system.
You can do this by using the Recovery
Console tool on the Windows 2000 CD-ROM if your computer supports a bootable
CD-ROM or by using the four Windows 2000 Startup disks. Reformatting or
repartitioning a disk deletes all the data on it, so make sure you back up your
To use Recovery Console to reformat a drive, follow these
- Start the computer by using the Windows 2000 CD-ROM or the
- When the "Welcome to Setup" screen is displayed, press
- In Recovery Console, choose the appropriate installation
and log on by using your Administrator password.
- Type map, and then press
- Note the drive you want to reformat.
NOTE: The drive letters may be different in Recovery Console than in
- Type format x:
/fs:fat32, where x is the letter of the
drive you want to format and FAT32 is the file system you want to
- Type y to confirm your choice. When
the formatting process is finished, type exit to restart
Freeing Up Disk Space
If you are running low on disk space, you can delete the
following files and empty the following folders:
- Empty all Windows 2000 Recycle Bins.
- In Microsoft Internet Explorer, delete all temporary
internet files and clear the history files.
- Delete the Pagefile.sys and the Hiberfil.sys
Removing Windows 2000 Files
The following files are hidden files that are located in the root
folder of the drive that is used to start the computer. Typically, this is
drive C, which is the first drive letter that is available for hard disks. To
remove the Windows 2000 system files, follow these steps:
- Start Windows Explorer.
- On the View menu, click Folder Options.
- On the View tab, click Show all files, and then click OK.
- In the root folder of drive C or the boot drive, delete the
- On the drive on which Windows 2000 is installed, delete the
following files if they exist:
- Delete the following folders if they exist:
- Program Files
- Documents and Settings
Running Windows 98 or Windows 95 Setup
To run Windows Setup, boot your computer by using the Windows 98
Startup disk or a bootable disk that contains your CD-ROM drivers. After you
gain access to the CD-ROM drive, type the following lines, pressing ENTER after
is the drive letter of your
CD-ROM drive. There should be a Setup.txt file on the Windows 95 or Windows 98
CD-ROM that explains how to run Setup. There are additional instructions for
Setup in the Getting Started
guide that is included with Windows 95 or Windows
For additional information about installing Windows, click
the article numbers below to view the articles in the Microsoft Knowledge Base:
How to Install Windows 98 on a Computer with No Operating System
How to Install Windows 98 Into a New Folder
How to Create a Windows 98 Startup Disk that Supports FAT32
Windows 98 Second Edition Updates Setup.txt File
Article ID: 250456 - Last Review: May 7, 2007 - Revision: 5.4
- Microsoft Windows 2000 Professional Edition
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