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Remove Shutdown from Start

REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Start\HideShutDown" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Start\HideSleep" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Start\HideHibernate" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\current\device\Start\HideShutDown" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\current\device\Start\HideSleep" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\current\device\Start\HideHibernate" /v "value" /t REG_DWORD /d 1 /f

REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Start\HideRestart" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\current\device\Start\HideRestart" /v "value" /t REG_DWORD /d 1 /f

REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\default\Start\HidePowerButton" /v "value" /t REG_DWORD /d 1 /f
REG ADD "HKLM\SOFTWARE\Microsoft\PolicyManager\current\device\Start\HidePowerButton" /v "value" /t REG_DWORD /d 1 /f

Disable power saving:
powercfg.exe -setactive 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c
powercfg.exe -change -monitor-timeout-ac 0
powercfg.exe -change -disk-timeout-ac 0
powercfg.exe -change -standby-timeout-ac 0
powercfg.exe -change -hibernate-timeout-ac 0
powercfg.exe -h off