Useful System Tools Hidden in Windows part 8

What is Registry Editor?

Registry Editor is a tool intended for advanced users. It’s used to view and change settings in the system registry, which contains information about how your computer runs. Windows refers to this information and updates it when you make changes to your computer, such as installing a new program, creating a user profile, or adding new hardware. Registry Editor lets you view registry folders, files, and the settings for each registry file.

Ordinarily, you don’t need to make changes to the registry. The registry contains complex system information that’s vital to your computer, and an incorrect change to your computer’s registry could render your computer inoperable. However, a corrupt registry file might require changes. We strongly recommended that you back up the registry before making any changes and that you only change values in the registry that you understand or have been instructed to change.

Back up the registry

You must be logged on as an administrator to perform these steps. If you aren’t logged in as an administrator, you can only change settings that apply to your user account.

Before you make changes to a registry key or subkey, we recommend that you export, or make a backup copy, of the key or subkey. You can save the backup copy to a location you specify, such as a folder on your hard disk or a removable storage device. If you make changes that you want to undo, you can import the backup copy.

1- Open the Registry Editor by clicking the Start button , typing regedit into the search box, and then pressing Enter.‌  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
2- Locate and click the key or subkey that you want to back up.

3- Click the File menu, and then click Export.

4- In the Save in box, select the location where you want to save the backup copy to, and then type a name for the backup file in the File name box.
Click Save.

After you save backup regedit file than you can start edit regkey and all the stuff.

Hope that you may understand regedit and without taking backup you cannot edit the DWORD values. There are so many things we can do from regedit it’s a very broad topic

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In my next tutorial i will write about another hidden tool in windows Ms Config.