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For VAIO PC users running Windows 8
Microsoft has released Windows 8.1, a free update to Windows 8. Are you ready to take your Windows 8 experience to the next level? Follow the steps below to update to Windows 8.1.

Prepare to Update
Before you update:

Click here for the list of applications that may not function as usual upon installation of Windows 8.1.

Update to Windows 8.1
Steps to update:

Windows 8.1 Update Limitations
Some PCs may experience limitations following the update to Windows 8.1.

Restrictions Related to Sony Provided Software

Note: To help you easily identify Windows compatible apps and devices, please see Windows Compatibility Center.