4K movies recorded with Nikon digital cameras: Intel Core i7 3.5 GHz or better.Movie playback: Pentium D 3.0 GHz or better Intel Core i5 or better recommended when viewing HD or Full HD movies.Photos: Celeron or Pentium Dual-Core 2.4 GHz or better, or Core i series 1.6 GHz or better (Core i5 or better recommended).64- and 32-bit editions supported (64-bit recommended) runs as a native 64-bit application on 64-bit systems. Read the information below before proceeding.Before beginning installation, exit ViewNX-i and all other applications, including any anti-virus software.When performing the update, log in to an account with administrator privileges.Download and run the file to install the software. This software is distributed as a file named “S-VCNXSP-210100WF-ALLIN-ALL_.exe”.Click the “Related Software” link below for more information. Note that the installer installs both ViewNX-i version 1.4.5 and Capture NX-D version 1.6.5 the two applications cannot be installed separately. There is no need to download separate installers for each application if you intend to use these two products together. This package installs Nikon’s free ViewNX-i and Capture NX-D software and updates it to the latest version.