Did anyone with a dual boot configuration already try the upgrade? This article [1] suggests that, for once, you don't have to restore GRUB after the upgrade.

Did anyone with a dual boot configuration already try the upgrade? This article [1] suggests that, for once, you don't have to restore GRUB after the upgrade. [1] http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_install/how-to-upgrade-a-dual-boot-installation-of-windows/d7ca80ce-96b0-4f0a-9a8e-4038ded592b2 http://answers.microsoft.com/en-us/insider/wiki/insider_wint...