System requirements are as follows on native desktop: 

  • Operating system: Mac OS 10.9 Mavericks, Mac OS 10.10 Yosemite, Mac OS 10.11 El Capitan, Windows 7, Windows 8/8.1, or Windows 10 (Classical view only). 
  • The installation footprint is approximately 125 megabytes (MB) on OS X and 215 MB on Windows. 
  • For voice calls, a sound card, speakers, and a microphone or a headset are required. 

Minimum system requirements for respective operating systems need to be fulfilled, with the following additions: 

  • A minimum of 2 GB random access memory (RAM) is required. 
  • A minimum 1.5 GHz CPU is recommended. 
  • Open Graphics Library (OpenGL) 1.5 or higher is recommended. 

The following are additional requirements for the UC-One Add-in for S4B. 

  • Windows 
  • Windows 7 
  • Windows 8 
  • Windows 8.1 
  • Windows 10 
  • Lync/S4B 
  • Lync 2010 32-bit 
  • Lync 2013 Basic 32 and 64-bit 
  • Lync 2013 Standard 32 and 64-bit 
  • S4B 2015 32 and 64-bit 
  • S4B 2016 32 and 64-bit 
  • Communicator 21.2.0 or later (21.4.0 is recommended) 
  • Windows administration rights (due to required registry entry) 
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