Windows 7 SP1 (recommended for runtime) or Windows Server 2008 R2 SP1. Processor: Minimum 1.2 GHz (Small installation) up to 2.5 GHz.
Older versions (like 10.1 or earlier) are sometimes available as demo versions on legacy support archives like Old InTouch Support Third-Party Educational Links: Intouch Wonderware Scada Software 10.5 Free Download For