* Incorporate new search location
* Add external user option
* proper doc string
* Explicit commands in getting started
* raise during chgrp on Win
recover installer changes
Notate admin privleges
Windows phase install hooks
Find external python and install ninja (#23496)
Allow external find python to find windows python and spack install ninja
Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>
Co-authored-by: Betsy McPhail <betsy.mcphail@kitware.com>
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