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Acer one 10 is os corrupted where i get the original is and how I recover

You’ll need to contact Acer with your systems serial number to get a replacement media kit (CD/DVD) unless you still have the original license key then you can download an ISO image file directly from Microsoft (newer OS’s) to then install from it. But before you go down that path a corrupted OS often implies you either have a drive thats going south or your system is infected. I would start by checking the system before reloading the OS.