Built-in system to sell premium memberships for faster speeds or more storage.

XFileSharing Pro 2 is not a WordPress plugin; it is a standalone designed to help you run a site like RapidShare or MegaUpload .

If you're looking for a free solution, consider the following:

If you are looking to build a professional file-sharing platform, you’ve likely come across XFileSharing Pro

Invest in the genuine script. It includes professional support, regular security patches, and the peace of mind that your data is safe. Free WordPress Plugins: For basic file sharing, plugins like WP File Manager

Look for verified file management plugins in the official WordPress Plugin Directory that offer "Freemium" models.