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#21
I'd set the OS you plan to use most first to boot in BIOS and install Easy to if to add the other by name, type and drive letter seen from booted OS.
From 8.1 you should get a blue Modern boot menu styled like 8.
From 7 you'll get a more barebones menu
If one doesn't work try the other.
It appears the other partitions on 8 are Factory Recovery which you can leave be. After getting your free Upgrade to 10 I would go back and use media MS provides to Clean Reinstall to wiped disk.
Last edited by gregrocker; 01 Aug 2015 at 11:35.