The 1.0 version of Upgrade Utility for Mac is available as a free download on our website. S-ug_utl-010000mf-allin-all_.dmg and S-UG_UTL-010000MF-ALLIN-ALL___.dmg are the most common filenames for this app's installer. The application lies within System Tools, more precisely Device Assistants. The actual developer of this free software for Mac is Nikon Corporation. Upgrade Utility is developed for Mac OS X 10.6 or later. The following version: 1.0 is the most frequently downloaded one by the program users.
From the developer:
Upgrade Utility is a simple application app that allows you to update your Nikon device firmware. The Upgrade Utility is available to Special Account customers. Customers with a Nikon camera are eligible for a free upgrade from the Basic Account to the Special Account.
You may want to check out more Mac applications, such as REDMOTE Upgrade Utility, WFT Utility Installer or GigBaby Sharing Utility, which might be related to Upgrade Utility.