Nightmare to setup upgrade the first time

The tablet is shipped with win8 and need a lot of upgrades... and of course the firmware upgrade failed... making the tablet in one infinite reboot loop... It took me 4 to 5 hours to unlock it ! By disabling the bios security and using a windows recover USB... Once solved it performed upgrade for the first 48 hours ! After this no more issues... but could not imagine my parents dealing with such an issue I understand why I used apple devices during the last 20 years....

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