Home Planet, a comprehensive astronomy / space / satellite-tracking package for Microsoft Windows 95/98/Me and Windows NT 4.0/2000/XP and above, is now available; see details at the end on how to download and install the software.
Release 3.3a of Home Planet is a native 32-bit Windows application which cannot be used on Windows 3.1; if you have such a system, download Home Planet Release 2, which remains available.
Home Planet is in the public domain; it is free software. It is not shareware—you don't have to register it or pay anybody anything, and the version you download is fully functional as soon as you install it. You are free to give copies to your friends, post it on other sites, and otherwise use and distribute it in any way without permission, restriction, attribution, or compensation of any kind.
Link: Download Home Planet