Computer and processor


Windows OS: 1.6 GHz or faster, 2-core


macOS: Intel processor




Windows OS: 4 GB RAM; 2 GB RAM (32-bit)


macOS: 4 GB RAM


Hard disk


Windows OS: 4 GB of available disk space


macOS: 10 GB of available disk space; HFS+ hard disk format (also known as Mac OS Extended) or APFS Updates may require additional storage over time.




Windows OS: 1280 x 768 screen resolution (32-bit requires hardware acceleration for 4K and higher)


macOS: 1280 x 800 screen resolution




Windows OS: Graphics hardware acceleration requires DirectX 9 or later, with WDDM 2.0 or higher for Windows 10 (or WDDM 1.3 or higher for Windows 10 Fall Creators Update).


macOS: No graphics requirements.


Operating system


Windows OS: Windows 10, Windows 8.1, Windows Server 2019, Windows Server 2016


macOS: One of the three most recent versions of macOS. When a new major version of macOS is released, the macOS and the previous two versions.


For the best experience, use the most current build of any operating system specified above. Product functionality and feature availability may vary on older systems (Search Microsoft Lifecycle Policy).




The current version of Microsoft Edge, Internet Explorer, Safari, Chrome, or Firefox. Get more detail.


.NET version


Windows OS: some features may require .NET 3.5 or 4.6 and higher to also be installed.




Internet functionality requires an internet connection. Fees may apply.


A touch-enabled device is required to use any multitouch functionality, but all features and functionality are always available by using a keyboard, mouse, or other standard or accessible input device. Note that touch features are optimized for use with Windows 10 or Windows 8.1.


Product functionality and graphics may vary based on your system configuration. Some features may require additional or advanced hardware or server connectivity.


A Microsoft or organizational account is required for licensing and access to services.


Skype requires a standard laptop camera or USB 2.0 video camera, a microphone, and an audio output device in order to utilize its full range of calling features.