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Compare and decide about Windows 8.1 - Microsoft Windows
Compare the features of Windows 8.1 and Windows 8.1 Pro and see which edition is right for you.
Install the latest Windows 8.1 Update - Windows Help
Learn how to check for, download, and install KB2919355, the latest update for Windows 8.1 and Windows RT 8.1.
How to install the latest version of DirectX
Describes how to obtain the latest version of DirectX to enable games and multimedia applications on your system.
Learn how to install Windows 7 Service Pack 1 (SP1)
Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.
Tips to free up drive space on your PC - Windows Help
Learn how to free up space on your PC by using Disk Cleanup, uninstalling apps, and archiving old files.
Sync settings between PCs - Windows Help
Learn how to decide which of your Microsoft account settings and preferences to sync between your PCs.
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