As RipDev promised Windows version of InstallerApp is available for download. With Desktop Installer you can downloadand install App available in both Cydia and Installer and the action is controlled through your PC. InstallerApp is a native Mac OS X and Windows application that allows you easily downloadapplications from Installer and Cydia directly onto your computer, and install them to the iPhone connected with USB cable. Now you don’t have to make a choice between alternative installers, you can get the best of both worlds, Installer and Cydia — InstallerApp supports both! Just add a your favorite repository in the Preferences window and application will automatically recognize its type and will show the packages from that repository, so you’ll be able todownload packages to your computer and install them to a USB-connnected iPhone.
InstallerApp for Microsoft Windows requires a PC with at least 1GHz processor and 512MB of RAM, Microsoft Windows XP or later (even Windows Seven is supported though it’s not out yet). Both 32-bit and 64-bit Windows versions are supported. You also need iTunes 188.8.131.52 (available at itunes.com) and Microsoft .Net Framework 3.5 or Advanced. InstallerApp supports first generation iPhone and iPhone 3G — as of this moment iPod touch is not supported. iPhone firmware 3.0 will be supported shortly after jailbreak for it is released.