MacOS: One of the three most recent versions of macOS. Please note Office 365 ProPlus will be supported on Windows Server 2016 through October 2025. Windows OS: Windows 10 SAC, Windows 8.1, Windows Server 2019 or Windows Server 2016. Skype for Business requires DirectX 9 or later, 128 MB graphics memory, and 32-bits-per-pixel-capable format. 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). Windows OS: 1280 x 768 screen resolution (32-bit requires hardware acceleration for 4K and higher) Updates may require additional storage over time. MacOS: 10 GB of available disk space HFS+ hard disk format (also known as macOS Extended) or APFS 2 GHz or greater recommended for Skype for Business
