 Such software-minimized CDs can also allow a Windows system to be installed on hard disks below 512 MB in size.HFSLIP is an open source command line Hotfix and Service Pack slipstreaming tool designed to update Windows 2000, Windows XP, and Windows Server 2003 installation sources.In addition to hotfixes and service packs, HFSLIP slipstreams other Microsoft updates such as Internet Explorer, DirectX 9.0c, Windows Media Player, and Windows Media Codecs.