Windows 8 restore from Windows 10

I was trying to zero out my drive, and I backed up 2 Restore Partitions, my EFI partition, and "Push Button Reset" partition to another drive, erased my main drive, and now I've copied those 2 Restore partitions and my "Push Button Reset" partition back to my main drive. I am trying to run the recovery software to put Windows 8 back on my laptop but pressing Alt-F8 doesn't work at boot.

I have an Acer E1-572-6870. Currently those partitions are on the drive and I've installed Windows 10 temporarily (I had upgraded to Windows 10 and created a USB stick and installed from there.)

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