Registry contains information about software installed , Hardware and settings on your computer. Its is very helpful if backup of registry is taken from time to times as it makes recovery very easy in case of System crash.
- Type regedit in Start –>Run menu ( in windows XP) / Start –> search menu item ( Windows 7).
- Registry editor will open. Click on File –> Export menu item.
- Browse to a location where you wish to save file. Name file so as it can easily identified later on.
Click on export.
Its would be easier to access registry backup file if its stored in external removable media.