Registry editor for Windows

Edit the Windows registry

Find keys and values quickly, edit them with care and keep a backup as a .reg file.

Find your way around

Use the key tree, the address bar and favorites to reach any key directly.

Change strings and numbers in hexadecimal, decimal or binary format.

Export keys to a .reg file and import them again when needed.

O&O RegEditor is freeware and free of charge to use.