A year from today, Microsoft will issue the final public security update for Windows 7, ending the operating system's 10-year run.

[ Related: Windows 7 to Windows 10 migration guide ]

Here are some of the important numbers related to Windows 7's final 12 months.


The label for the version of Windows slated to replace Windows 7 as the default OS in the enterprise. Currently, Windows 10's adoption rate lags behind Windows 7's at the same point in its post-launch timeline. In March 2013, 41 months after its debut, Windows 7 powered approximately 49% of all Windows PCs.

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