Many times we post Windows tutorials which require taking ownership and assign full permission on a particular registry key. Although we provide detailed steps to do this task in all our tutorials, some people find it difficult to take ownership of registry keys.
Recently when we received an email from one of our reader asking how to grant a user full permission on a registry key in Windows, we decided to create a dedicated article about it.
So today in this article, we'll post a step-by-step guide with screenshots which will teach you how to take ownership and assign full permission on a registry key.
So without wasting time, lets start the tutorial:
1. Type regedit in RUN or start menu searchbox and press Enter. It'll open Registry Editor.
2. Now go to the desired registry key, right-click on it and select "Permissions..." option.

3. It'll open a new dialog box. Click on "Advanced" button.

4. Now go to "Owner" tab, select your username and click on Apply button. If you also want to take ownership of the sub-key, enable the option "Replace owner on subcontainers and objects".

PS: If you want to get permission on all sub-keys, enable following 2 options in "Permissions" tab:
- Include inheritable permissions from this object's parent
- Replace all child object permissions with inheritable permissions from this object
Thanks to our reader "TheAslan" for this tip...
5. Now select your username in first dialog box and check the "Allow" checkbox given for "Full Control" option.

6. That's it. Click on Apply and OK buttons and you'll now have full permission on the registry key.
Also check:
[Guide] How to Take Ownership (Permission) of a File or Folder Manually in Windows?
This article was posted by VG in following section: Windows 7, Windows Vista, Windows XP.
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SMBR
Thanxxx Very Much
D_yukimura12
as usual nice tutorial VG...^.^
j_veen
i use the same method to hide WiFi key in Wireless Network Properties..
Check out this tutorial video i made >> youtu.be/aPXIcVkXEWs
TheAslan
Ti's much easier to take full ownership of .reg files/folders
example: If you want to take a full ownership of entire "Desktop Background" folder and subfolders, then just right click it and select "Permissions => Advanced => Owner => Select your username => Check (Replace owner on subcontainers and objects box) => click Apply and OK, then open Advanced window again and now make sure you check these boxes:
=> Include inheritable permissions from this object's parent
=> Replace all child object permissions with inheritable permissions from this object
Then click Apply and OK, now you have a full ownership of this folder/sub folders, it's so much easier this way because you don't have to check so many boxes.
Maybe Vg should mention this method too in this topic, it makes life so much easier.
VG
^^ Thanks. Added.
KS
How do I give permissionsback to TrustedInstaller, when I changed it, TrustedInstaller wasnt in the list of possible owners anymore.??
VG
^^ Here you go:
http://www.askvg.com/guide-how-to-restore-trustedinstaller-as-default-owner-of-a-file-or-folder-in-windows/