Windows 10 1803 has retained nearly 84% of the OS’ market share in 2018

An end-of-year report by the market analysis firm AdDuplex indicates that Windows 10 1809 is failing to build uptake at the rate normally linked to a new release of the OS. It has apparently secured installs on only 6.6% of all PCs that run Microsoft’s flagship software suite. Version 1803 is the one that retains the Windows market-share crown in 2018, as it is associated with 83.6% of all Windows PCs. The remaining 9.8% is made up of legacy versions, including versions 1709, 1703, 1607 and 1511.

AdDuplex found these results particularly striking, as the average version of Windows 10 was seen to jump up to nearly 100% of coverage across PCs shortly after its release. However, an unusually high frequency of bugs and issues may have stunted 1809’s growth in this manner considerably. On the other hand, AdDuplex notes that its data is only recorded from August 22, 2016; in other words, it only really covers the releases from 1511 (also known as Threshold 2) onwards.

The group also displayed an analysis of its data on Surface PC market share in its new report. According to this graph, the Pro 4 still has the most market share (approximately 21%) whereas the Studio 2 has the least (nearly 0%). The Surface Pro 2017 has risen to 2^nd place in this list, with approximately 17%, whereas the Surface Pro 3 retains the third spot with just under 15%. AdDuplex does not offer any explanation for the Studio 2’s poor performance so far, although it is possible that its relatively novel status, high price and comparatively niche use-cases are relevant factors.

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