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• Release memory
• Improve performance

First is during install, use the floppy disk image to use VirtIO Disk. Note though that you'll lose I found with VirtIO Disk I lost the ability to take snapshots though with VirtIO Disk... I beieve believe this is just a bug though and will get fixed in the future (July 2017).

Looks promising - https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Host_Configuration_and_Guest_Installation_Guide/form-Virtualization_Host_Configuration_and_Guest_Installation_Guide-Para_virtualized_drivers-Installing_with_a_virtualized_floppy_disk.html

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Download and load the Virtio Floppy Disk (virtio-win amd64 floppy).

Start the Windows 7 setup as normal but

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you will be prompted the Virtio

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Hard Disk drivers which you point to on the floppy.

Don't update Windows yet. Shutdown and load Windows 7 ISO (virtio-win iso) from RedHat. Boot up.

Going into device manager you will see something missing, it's the memory driver so load it.

Shutdown again (at this point I think I need to set the min and max to properly use the vritio memory driver).

Finally, the default realtek network should work, but to get better performance switch to the virtio network card and repeat.

Windows 10

Not supported officially yet. Windows 7 is more than fine given it won't drop support for next few years. Unofficial here,

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