The minimum hardware and software requirements are:
Pentium (Pentium II and above is recommended).
Windows® 98, Windows ME, Windows 2000, or Windows XP.
128 MB RAM.
AVR Studio® 4.12 with Service Pack 3 or Atmel Studio.
USB port, self-powered (500mA required).
Internet Connection for Software download.
Windows 95 and Windows NT does not support USB, hence cannot be used with AVR Dragon.