I have several computers with W7 in which I finish receiving updates on January 14, 2020. They can not update to W8 or W10 since they are Pentium 4 and the processor does not have the NX bit. Although there are still 2 years left, I am thinking if it is possible to install one of the following to extend the period of updates: Windows 7 Embedded Standard SP1 = October 13, 2020 Windows Embedded POSReady 7 = October 12, 2021 Would it be possible to install it on top or should a clean