Automatic login to social-network from executable

In one embodiment, a server computer may receive, from a client device, a request to download an application, wherein the client device is logged-in to a session associated with a user account in a communications system. In response to the request, a downloader module executable file may be appended with the login information and the authentication information. The server computer may transmit the downloader module executable file to the client device. In response to a second request (from the downloader module executable file), the server computer may transmit the installer file to the client device.