Back up Windows 95 registry
To backup the Windows 95 registry, you should firstly manually restart your PC in MS-DOS prompt. Type cd\windows
At the C:\Windows> prompt, type the following:
attrib user.dat -r -a -s -h
Back up Windows 98 registry
Windows 98 has been integrated a new utility known as ’scanreg’ utility which could automatically makes backup the entire registry of yours each time when you boot up your computer.
Backing up the Windows ME registry
Like its predecessor, Microsoft Windows ME also includes the scanreg utility. This utility automatically makes backups of the registry each time the computer boots.
Back up Windows 2000 registry
The Microsoft Windows 2000 registry can be backed up easily from the backup utility by following the below steps.
1. Click Start, Programs, Accessories, and click backup.
2. Within backup, click the backup tab.
3. Within the backup tab, check “System State”, this will create a backup of boot files, COM+ Class Registry Database, and the system registry.
Back up Windows XP registry
Microsoft integrates a new feature into Windows XP which is called system restore. This feature enables a user to backup and restore their important system files from an earlier day. By default this feature automatically creates a backup of the system each day. If you wish to create a restore point of your system follow the below steps:
1. Click Start, select Programs, and then go to Accessories, see System Tools, go to it. Select System Restore.
2. Select the option to Create a restore point.
3. Click Next and follow the remainder steps.