An (eDonkey2000 URI) is a link format that points to a specific file on the eDonkey2000/eMule network. It typically looks like: ed2k://|file|filename|filesize|filehash|/
Now that you understand the landscape of , go forth, configure your Kad nodes, and download responsibly.
If you need to download an ed2k:// link, use a client that supports the eDonkey network, such as: