James some release notes . Not sure it helps. I am not on a PC so i am out of this
System requirements
Capture One 4.5 may run on other and older equipment than what’s listed below but to ensure the
best possible results we recommend that your computer at least conforms to the following
specifications:
Microsoft® Windows®:
• Intel® Pentium® 4 or equivalent
• 1 GB of RAM (2 GB when working with digital backs)
• 10 GB of free hard disk space
• Calibrated color monitor with 1280 x 800, 24 bit resolution at 96dpi screen ruling
• Windows XP®, service pack 3 or Windows Vista®, service pack 1
• Microsoft® .NET Framework version 3.0
• A PDF reader is needed to access the help file
Apple® Macintosh®:
• Intel-based Macs
• 1 GB of RAM (2 GB when working with digital backs)
• 10 GB of free hard disk space
• Calibrated color monitor with 1280 x 800, 24 bit resolution at 96dpi screen ruling
• Mac OS X 10.5.5 or later
• Please note that you need an internet connection when activating Capture One 4.5.
(For Phase One digital back users, the application can be run in the “Capture One digital back
only” mode. The application is fully functional in this mode and doesn’t require activation or an
internet connection)
The above hardware specifications is to be considered as minimum requirements, if you work with
high resolution camera systems or simply want to optimize the performance, please f ollow the
recommendations below:
• Using processor with multiple cores, e.g. Intel CoreTM Duo or better
• Having 2 GB of RAM or more
• Plenty of hard disk space for your images!
• A fast hard disk
For tethered shooting with Phase One digital backs ensure that your system complies with the
following recommendations:
o Sufficient Firewire power supply, i.e. 10W is required, which is more than what many
laptops are able to supply.
o Activate “Force Battery” setting in Digital Back when using host computer with
insufficient Firewire power supply.
o Use the 4.5 m Phase One Firewire cable