You can clone with
HTTPS or Subversion.
Installer needs to be UAC aware.
Privilege elevation will be enabled in the Release 7 evaluation installer. Note that in the meantime the workaround is to install in a user directory. (e.g. C:\Users\username\MCT)
With #109 the need for a separate installer is significantly mitigated - user can just extract platform archive & run from a user directory.