You can use the template below for your post. Make sure to replace the placeholder text with your actual file link.
Since most blogging platforms do not host large .rar files directly, you should use a cloud storage service to generate a link:
You will need WinRAR or 7-Zip to extract the contents.
Upload the file, right-click it, and select Share > Copy link . Ensure the access is set to "Anyone with the link".