Via Extensions ModuleIn the TYPO3 backend you can use the extension manager (EM).Step 1. Switch to the module “Extension Manager”.Step 2. Get the extensionStep 3. Get it from the Extension Manager: Press the “Retrieve/Update” button and search for the extension key ns_cloudflare and import the extension from the repository.Step 4. Get it from typo3.org: You can always get the current version from https://extensions.typo3.org/extension/ns_cloudflare/ by downloading either the t3x or zip version. Upload the file afterwards in the Extension Manager.