Use the Windows search bar to open the registry editor. 2. Click on "HKEY_LOCAL_MACHINE" and then select "Software from the dropdown list. Lastly, click on "Policies." 3. Create a "Google" key under "Policies." 4. Create a "Chrome" key under "Google." 5. Create an "ExtensionInstallForcelist" key under "Chrome." 6. Proceed to create a new String Value and rename it appropriately. 7. Visit the Chrome web store and open the extension you wish to protect. 8. Copy the extension's name and append it with its URL, separated by a semicolon. 9. Paste the extension's string (created in step 2) in the field named "Value data:" 10. Save and restart your Chrome browser.