You can read the system requirements in the CPS_ReadMe file in your Astro 25 zip package.
The highest version of Windows officially supported is Windows 8.
From the file:
System Requirements:
====================
Operating Systems: Windows XP (SP 3 or higher)
Vista 32-bit (SP 2 or higher)
Windows 7 (SP 1 or higher)
Windows 8
NOTE: XP upgrade, Vista upgrade, Windows 7 upgrade and Windows 8
upgrade from other operating systems is not supported.
Hardware Requirements:
======================
Processor 400 MHz or higher Pentium grade Processor for XP
Vista, windows 7 and Windows 8 require 1 GHz
Memory 512 MB RAM minimum for XP
1 GB RAM minimum for VISTA
1 GB RAM for Windows 7 32-bit, 2 GB RAM for Windows 7 64-bit
1 GB RAM for Windows 8 32-bit, 2 GB RAM for Windows 8 64-bit
Hard Disk Space 1 Gigabyte Drive with 350 MB minimum free space
(for a Typical Installation, including Help
Audio-Visual Tutorials) or 150 MB minimum free
space (for a Compact installation)
40 GB hard drive for Vista
16 GB minimum free space for Windows 7 32-bit or 20 GB for Windows 7 64-bit
16 GB minimum free space for Windows 8 32-bit or 20 GB for Windows 8 64-bit
Peripherals Microsoft Windows supported Mouse or Trackball
Microsoft Windows supported Serial Port
for radio communication
Microsoft Windows supported Printer Port
for report printing
DVD-ROM for software installation
NOTE: For computers that are not equipped with
a serial port, radio communications may be
possible with the use of an off-the-shelf
USB to RS232 converter, such as the IOGEAR
USB to Serial/PDA Converter Cable.