Adapted from http://digitalhacksblog.blogspot.com/2015/01/it-worked-for-me-winpe-bitlocker-and.html, updated for Windows 10
C:\Program Files (x86)\Windows Kits\10\Assessment and Deployment Kit\Deployment Tools>dism /mount-wim /wimfile:c:\winpe_amd64\media\sources\boot.wim /index:1 /mountdir:c:\winpe_amd64\mount
Deployment Image Servicing and Management tool
Version: 10.0.14393.0
Mounting image
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