NSIS Portable 2.46 Rev 2 has been released in Unicode and ANSI formats. NSIS (Nullsoft Scriptable Install System) Portable is a professional open source system to create standard Windows installers (as well as our launchers) packaged as a portable app so you can create installers and launchers anywhere. This release updates adds NSIS Unicode to the mix and fixes an issue with the NSIS menu on Windows 7. It's packaged in PortableApps.com Format so it can easily integrate with the PortableApps.com Suite. And it's open source and completely free.