This tutorial provides a detailed guide on how to create/modify/delete registry key in Windows 10.
You should back up the whole registry database before you modify the registry.
This can help restore to the original prefs from backup if something goes wrong.
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How to Add a Registry Key or Value in Windows 10
Step 3.
To create a new registry key, you could right-pick the key and selectNew -> Key.
Then name the new registry and pressEnterto create a new registry key.

Then punch in a name for the value and double-click it to set the preferred value data.
Guide on how to clean registry in Windows 10 manually or by using free registry cleaner Windows 10.
Backup OS, data and registry before cleaning Registry.
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To delete a registry key, you might also right-tap the target registry key and selectDelete.
After you make the changes, you may need to cycle your rig to make these changes take effect.

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