The SkyDrive desktop app requires the following:
Operating system: 32- or 64-bit version of either Windows 8, Windows 7, or Windows Vista with Service Pack 2 and the Platform Update for Windows VistaWindows Server 2008 R2 or Windows Server 2008 with
Service Pack 2 and the Platform Update for Windows Server 2008Mac OS X 10.7 (Lion) or Mac OS X Mountain Lion
Processor: 1.6 GHz or higher, or Intel-based Mac computer
Memory: 1 GB of RAM or higher
Resolution: 1024 × 576 minimum
Internet connection: High-speed Internet access is recommended.
The SkyDrive desktop app isn't supported on Windows XP, or Linux.
SkyDrive desktop app functionality is built into Windows 8.1. If you install the desktop app on a PC running Windows 8.1, Setup won't appear. A setting will be installed that lets you use Office to work on SkyDrive documents with other people at the same time, but no other features will be installed.