Setting up Capture One

Phase One / Activation / Deactivation

Recommended Hardware and Software

Capture One may run on other and older equipment than those listed  below, but to ensure the best possible results we recommend that your computer, at the minimum, conforms to the following specifications:

Microsoft® Windows®

  • Intel® Pentium® 4 or better
  • 2 GB of RAM
  • 10 GB of free hard disk space 
  • Calibrated color monitor with 1280x800, 24 bit resolution at 96dpi screen ruling
  • Windows XP®  SP3 (32bit  only), Windows Vista® SP2 (32 and 64bit), Windows 7® (32 and 64bit)
  • Microsoft® .NET Framework version 3.5 Service Pack 1 Redistributable package
    (In case you do not already have this installed, Capture One will initiate its installation)
  • A PDF reader is needed to read the Release Notes
  • Flash is required to view the video on the Welcome Screen

Apple® Macintosh®

  • Intel-based Mac
  • 2 GB of RAM 
  • 10 GB of free hard disk space
  • Calibrated color monitor with 1280x800, 24bit resolution at 96dpi screen ruling
  • Mac OS X 10.6.4, 10.5.8 or later
  • Flash is required to view the video on the Welcome Screen 

The above hardware specifications are to be considered as minimum requirements. If you work with high resolution camera systems or simply want to optimize the performance, please follow the recommendations  below:

  • Use processors with multiple cores, e.g Intel CoreTM  Duo or better
  • Use Windows 7 64bit version for Windows systems with more than four cores
  • Have 4 GB of RAM or more
  • Leave plenty of hard disk space free for your images
  • Use a fast hard disk e.g. a Solid State Disk (SSD)

You need an Internet connection when activating Capture One 6.0.


Please read the release notes carefully before you install Capture One.

Install on Mac OS X
To install the software please follow the procedure below:

  1. Either load the Capture One DVD or download the application on
  2. Open the Capture One disk icon.
  3. Read and accept the license agreement presented.
  4. Drag the Capture One icon to the Applications folder.
  5. Open Capture One from your Applications folder.

Install on Windows
To install the software please follow the procedure below:

  1. Either load the Capture One DVD or download the application on
    Run the executable software install file.
  2. Read and accept the license agreement presented.
  3. Follow the on-screen instructions to complete the installation.
    Note: Capture One will initiate installation of Microsoft® .NET Framework 3.5 if you do not already have it.

Manual Update to Latest Version
It is important to keep Capture One software updated. You will usually receive a newsletter reminder that an update is ready for download although it can be more convenient to choose Capture One>Check for Updates.

If your Capture One application is downloaded from it will always be the latest version. Installation from a CD version may need to be updated.

You can also schedule an automated update if desired. Check Capture One > Preferences.


Ensure that you have an Internet connection to activate Capture One (Express and Pro).

  1. Open the License Activation dialog box in the application by going to Capture One > License.
  2. Type your license code and personal account details in the required fields.
  3. Press the Activate License button. Your license will be validated by Phase One’s Activation Server.
    Your software is now activated and ready for use.

If you are experiencing problems activating the software, follow the instructions provided in the Application or visit for help and troubleshooting:

Tip: When running the application choose between:

  • Trial mode Capture One OR Capture One Pro (30 days in total)
  • Digital Back only mode (only Phase One digital back supported) 
  • Activating the Application


To deactivate Capture One from a computer you need to be connected to the Internet.

  1. Open the License dialog box via the menu Capture One > License.
  2. Press the Deactivate button.
  3. Confirm that you want to perform the deactivation.
    After doing so, you can activate Capture One on another computer.

The application will return to Trial Mode once deactivated. When the trial period has expired all current and pending processing will be cancelled. You will need to reactivate Capture One to continue working with it.


Register your license to authenticate your installed software. Registration will allow full usage of your Capture One version.

The Online registration automatically registers your license key. When this is validated, it will be kept alongside with information on your computer platform, ID and IP numbers. Phase One keeps all information confidential according to EU law and international standards. For more information on the license, please read the License Agreement.

The registration of the software will create a personal profile on This profile will provide the opportunity to register your hardware/software and to contact Phase One for any support or sales related questions.

How do I register my hardware product

  1. Attach a camera and a dialog box will automatically open and ask if you would like to register your product.
  2. Click ‘Yes’ in the Registration dialog box and follow the procedure; this will help in future support cases as well as track ownership of the product.

Can I change my registration
It is possible to change the priority and even remove the registration completely.

  1. Select the Digital Back that you wish to change updating priorities on.
  2. Rearrange by using the arrows icons.

If a digital back is removed completely you will have the option of re-registering it the next time you connect the back to Capture One.