How to Block Extension Installation in Microsoft Edge / Chrome

🔹Step 1: First, click on the Windows 11 search bar and type in Registry Editor. Next, open Registry Editor from the list of matching results.

🔹Step 2: On the Registry Editor, navigate to the given path:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge

🔹Step 3: If you don’t find the Edge folder, right-click on Microsoft and select New > Key. Name the new key Edge.

🔹Step 4: Now, right-click on the Edge key and select New > Key.

🔹Step 5: Name the new key as ExtensionInstallBlocklist

🔹Step 6: Now, right-click on the ExtensionInstallBlocklist and select New > String Value.

🔹Step 7: Name the new String (REG_SZ) key as 1.

🔹Step 8: Double click on the 1 String (REG_SZ) on the right pane, and on the value data field, enter *.

🔹Step 9: Once done, click the Ok button and close the Registry Editor.

🔹Step 10: Now, open the Edge browser and try to install an extension. You will see a message “Your admin has blocked ” prompt.

🌐 That's it, The above method will also disable all active extensions on your Edge browser. If you want to enable extension installation, delete the ExtensionInstallBlocklist you created in Step 5.

Keep supporting ❤️