Power Tools for PC Mastery: Command Prompt Edition of Win Registry Edits

The Registry Editor is the first thing Windows users bring up when it comes to editing the Windows Registry. However, if you don’t want to deal with a distracting GUI and too many clicks, there’s a simpler-looking tool you can use: the Command Prompt.

Although using it takes a little more know-how than the Registry Editor, our guide should be able to get you started.

How to View the List of Registry Commands in Command Prompt

There aren’t a lot of commands when it comes to editing the registry using Command Line. To view them all, open Command Prompt as an administrator and run the below command in Command Prompt:

reg /?

Command Prompt will then list the commands, such as reg add, reg delete, reg copy, and reg save.

If you want to see more information about them, just add the /? switch at the end of the command. For, example, if you want to find out what the reg add command does, you’d enter the below command:

reg add /?

After you run it, you’ll get all the details on what it does and how to use it.

If you’re finding it hard the commands out on your own, don’t worry. We will simplify it for you and show you how to get started using them.

Add and Delete Keys in the Windows Registry

To add a key to the registry using Command Prompt, you need to use the reg add command while specifying the path to the new key and whether you want to force the operation with the /f switch(this will bypass the need for the confirmation prompt).

As always, when it comes to editing the Windows Registry, we recommend that the first thing you do is create a system restore point on Windows .

Here’s an example:

REG Add HKLM\SOFTWARE\MyNewKey /f

In the above command, we’re adding the MyNewKey subkey to the KHLM/Software key. If you go to the Registry Editor and expand that key, you’ll be able to see the MyNewKey subkey within it.

Deleting the key is simple as well, as you just need to replace add with delete in the above example. Here’s how:

reg delete HKLM\SOFTWARE\MyNewKey /f

Now the MySubKey key will disappear in the Registry Editor.

How to Add, Modify, and Delete Values in the Windows Registry

To add or modify a value key in the registry using Command Prompt, you’ll still use the reg add command like above. However, this time, you’ll also have to specify the following parameters: value (/v), value type (/t), and value data (/d). Here’s an example of what the command would like:

reg add HKLM\SOFTWARE\MyNewKey /v MyValue /t REG_DWORD /d "1" /f

Once you run the command, you will be able to find the value in the Registry Editor. And if the key doesn’t exist, Command Prompt will create it.

The Windows Registry uses several value types, and here’s a table of the common ones:

To delete the value, you just need to use the reg delete command while specifying the path to the key, and the name of the value. Here’s an example of deleting the value we created earlier:

reg delete HKLM\SOFTWARE\MyNewKey /v MyValue /f

After running the above command successfully, the value should disappear from the Registry Editor.

How to Copy Registry Entries From One Key to Another

Sometimes, you might want to copy the values from one key to another in the registry. This is as easy as using the reg copy command while specifying the key you’re copying them from and the one you’re copying them to (keep in mind that both keys have to already exist before you run the command). Here’s an example:

reg copy HKLM\SOFTWARE\MyNewKey1 HKLM\SOFTWARE\MyNewKey2 /s

The /s switch at the end tells Command Prompt that it should copy every subkey and value in the first key (MyNewKey1) into the second one (MyNewKey2).

Unfortunately, there’s no way to copy specific values from one key to another. You’ll have to use the Registry Editor for that.

How to Import Registry Entries

If you have created a Windows Registry file or downloaded it elsewhere, you can import it into the registry using the reg import command. All you need to do is specify the path to the registry file and Command Prompt will do the rest. Here’s an example:

reg import C:\Users\CHIFUNDO\Desktop\MyRegFile.reg

Once you run that command, the contents of the reg file will be merged with the registry.

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How to Export Registry Entries

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You can export a key in the registry using the reg export command while specifying the path of the key you want to export and the file you want to create. This comes in handy when you need to back up certain keys and values to restore them elsewhere. Here’s an example:

reg export "HKLM\SOFTWARE\MyNewKey" D:\Reg_Backup\CHIFUNDO\Desktop\MyRegFile.reg

After you run the command successfully, check the location you entered, and you’ll find the key and its associated subkeys and values have been exported successfully. In our case, it will create a file called MyRegFile.reg and save it on the desktop.

You can also export a specific value using the reg query command and include the key, value, and path to the registry file you want to export the value to. Here’s an example.

reg query HKLM\SOFTWARE\MyNewKey /v MyValue > C:\Users\CHIFUNDO\Desktop\MyRegFile.reg

The resulting registry file will only contain the key and the specific value you exported.

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How to Save Registry Entries

If you already have a registry file or any other text file, you can add keys to it using Command Prompt and the reg save command, which will overwrite the file with the new information. You just need to specify the name of the key and the registry file you want to save it to. Here’s an example:

reg save HKLM\SOFTWARE\MyNewKey2 C:\Users\CHIFUNDO\Desktop\MyRegFile.hiv /y

The /y switch at the end of the command above overwrites the file you’re saving the key to without bringing up a prompt. When you open the file, you won’t be able to read the contents since it will be saved as a binary file.

How to Restore Registry Entries

So, let’s say something has happened to the keys and values within the MyNewKey2 we saved in the previous section, you can use the backup file you created to restore it. You’ll need to use the reg restore command. Here’s how to run it:

reg restore HKLM\SOFTWARE\MyNewKey2 C:\Users\CHIFUNDO\Desktop\MyRegFile.hiv

Now the MyNewKey2 key should return to the state it was in when you made the backup.

Tweak the Registry Without the Registry Editor

While Command Prompt can’t do everything the Registry Editor does, it does offer a quick way to edit the registry without opening the aforementioned tool. While using Command Prompt to tweak the registry is quite advanced, even if you’re the average user, you should be able to get by if you follow along closely.

Just don’t forget to do what we mentioned earlier to avoid permanently ruining your Windows computer and create a system restore point first

Although using it takes a little more know-how than the Registry Editor, our guide should be able to get you started.