У вашего броузера проблема в совместимости с HTML5
learningtocompute: https://sites.google.com/site/learningtocomputessite/home
In this video I show you how to create, configure and remove users accounts through the Command Prompt in Windows 8.1. I'm using Windows 8.1 in Virtualbox for this video, but this will also work in XP, Vista and 7.
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Thank you for watching. Have a great day !!!