It supports upgrades by installing right over an existing copy, preserving all settings. Miranda NG Portable is packaged in a Installer so it will automatically detect an existing installation when your drive is plugged in.

The interface and setup is a bit more involved than other IM clients like Pidgin Portable, but the customization options available are richer. Functionality can be greatly enhanced with an extensive set of plugins including Skype and more. It supports ICQ, AIM, MSN, Jabber, Yahoo, IRC and more. Miranda IM uses very little memory and is extremely fast. Miranda NG is a multi protocol instant messenger client for Windows. Update automatically or install from the portable app store in the Platform. And it's open source and completely free. It's packaged in Format so it can easily integrate with the Platform. Very light on system resources and extremely fast. Miranda NG is an enhanced version of the popular multi-protocol instant messaging client for Windows - Miranda IM. A new version of Miranda NG Portable has been released.

Free instals Miranda NG 0.96.3