Windows tills: check edition and support status

The announcement drew attention to different support periods for Windows editions used on tills. Windows IoT and LTSC in particular should not simply be equated with desktop editions.

Decisions about updates or hardware replacement require checking the exact edition, version and vendor approval. This archived notice does not set a universal support deadline for every Windows 10 till.

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Edited archive summary. Dates, offers and development plans refer to the situation at the original publication date.