Download The Windows 8.1 Update Package KB2871839
Microsoft has released Windows 8.1 upgrade package via Windows Update or the Windows Store. In the list there is no update Windows 8.1, just its App only. To be upgraded to Windows 8.1, you must download and install the update package KB2871839.
Access Windows 8.1 KB2871839 download link for more information or you can download the package from the links below:
– Windows 8.1 32-bit download link
– Windows 8.1 64-bit download link
Note: If after installing the update package KB2871839 but Windows still cannot update to 8.1, you probably fall into one of these “4 Reasons Why Cannot To Upgrade To Windows 8.1“.