To set up your own "cloud" using Windows 7 Ultimate and make it accessible on the web, you can create a personal cloud system by setting up a server with WebDAV support and configuring port forwarding on your router. Here's a general outline of the steps you can take: 1. Set Up WebDAV on Windows 7: - Go to Control Panel > Programs > Turn Windows Features On or Off. - Enable Internet Information Services (IIS) and expand it to enable WebDAV. - Configure WebDAV by creating a new virtual directory in IIS Manager. 2. Configure Port Forwarding on Your Router: - Access your router settings through a browser and set up port forwarding for the WebDAV port (usually port 80 or 443). - Ensure that your router is accessible from the...