Microsoft has updated its support document regarding the Extended Security Updates (ESU) program for Windows 10, revealing that Year One will cost commercial customers $61 per device, with the price doubling each year for up to three years. Organizations connecting Windows 10 devices to Windows 365 can potentially bypass these fees. The program begins in November 2025, following the end of free support for many Windows 10 versions, highlighting significant costs for companies still using this operating system despite the growing adoption of Windows 11.
If you decide to purchase the program in Year Two, you'll have to pay for Year One too, as ESUs are cumulative.
Windows 10 remains dominant in terms of desktop market share, according to the latest figures from Statcounter, although Windows 11 is gradually narrowing the lead.
If, for example, you have a Windows 10 endpoint connecting to a Windows 365 Cloud PC, ESU could be free.
Year One will begin in November 2025, the month after free support ends for most versions of Windows 10.
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