How to export/back up the registry in a win7 system computer
1. Click the Start menu and enter "regedit" in the search box to open "registry" by pressing the ENTER key.
2, in the registry to find the items or subkeys to back up, and select, if you back up the entire registry without selecting any items;
3, click "File-Export";
4, choose a good location to save, and then be backed up by a file name, such as "Bak" click to save;
5, after the save we can in the corresponding path to see the. reg backup file, just double-click to restore registry settings.