Make a 32GB-ish partition and activate Windows 10 there. You might need to find something that can defrag at boot to relocate system files to make a big enough

Make a 32GB-ish partition and activate Windows 10 there. You might need to find something that can defrag at boot to relocate system files to make a big enough space... AOMEI offers their partition resizing tools free even for commercial use: http://www.aomeitech.com/freeware.html http://www.aomeitech.com/freeware.html