As "SIW2" said, you can enable "Runscanner" in your build which includes a "Remote Regedit" shortcut to easily edit offline Registry. However you can also manually load any Registry hive file and edit it directly even from a bare born "WinPE".
newbielink:https://community.landesk.com/support/docs/DOC-10928
[nonactive] newbielink:https://4sysops.com/archives/regedit-as-offline-registry-editor/
[nonactive]Important :Before editing Registry of
Windows 8/8.1/10 , make sure to disable "Fast Startup" by deleting
"hiberfil.sys" from the root of Windows partition. Otherwise it will cause big trouble as i explained in
http://theoven.org/index.php?topic=1103.msg13538#msg13538