Windows 10 ltsc 2021 end of support July 8, 2019 16 32 64 128 Windows 10 enterprise ltsc 2021 end of support Windows 10 ltsc 2021 support end date Windows 10 iot ltsc 2021 end of support Windows 10 ltsc product key Update windows 10 ltsc 1809 to 21h2 Windows 10 end of sales
