URL encoding makes sure that all browsers correctly transmit text in URL strings. Characters such as a question mark (?), ampersand (&), slash (/), and spaces might be truncated or corrupted by some browsers. Therefore, these characters must be encoded.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)