据外媒VentureBeat报道，微软向Windows 7和Windows 8用户推送了Windows 10免费升级通知，该升级为预定方式，用户确认后还需要等待安装通知，Windows 10正式发布...
VentureBeat according to foreign media reports, Microsoft Windows 7 and windows 8 users push sent windows 10 free upgrade notification, the upgrade to a predetermined way, the user confirms also need to wait for the installation to notice, windows 10 officially released.
