Enable or Disable Registry Editing Tools.

Here are the few ways to enable or disable registry editing tools, They are:

Through Group Policy:
1. Open gpedit.msc.
2. Navigate to "User Configuration\Administrative Templates\System"
3. Locate "Prevent access to registry editing tools"
4. Enable it to disable.

Registry Editor:
1. Open regedit in administrator mode.
2. Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
3. If the value DisableRegistryTools is present modify its value to 0 to enable Registry Editor.
4. If the value is not present create a DWORD and name is as value in the step 3.
5. Inorder to disable Registry Editor modify the value to 1.