SOLVED: Command Line to Get Windows 10 Into Recovery Mode

In a CMD prompt type: shutdown /r /o /f /t 00 and the PC will reboot into RECOVERY MODE where you can bring up the old F8 boot menu.

Usage: shutdown [/i | /l | /s | /r | /g | /a | /p | /h | /e | /o] [/hybrid] [/soft] [/f] [/m \\computer][/t xxx][/d [p|u:]xx:yy [/c “comment”]]

No args    Display help. This is the same as typing /?.
/?         Display help. This is the same as not typing any options.
/i         Display the graphical user interface (GUI).
This must be the first option.
/l         Log off. This cannot be used with /m or /d options.
/s         Shutdown the computer.
/r         Full shutdown and restart the computer.
/g         Full shutdown and restart the computer. After the system is rebooted, restart any registered applications.
/a         Abort a system shutdown.
This can only be used during the time-out period.
/p         Turn off the local computer with no time-out or warning.
Can be used with /d and /f options.
/h         Hibernate the local computer.
Can be used with the /f option.
/hybrid    Performs a shutdown of the computer and prepares it for fast startup.
Must be used with /s option.
/e         Document the reason for an unexpected shutdown of a computer.
/o         Go to the advanced boot options menu and restart the computer.
Must be used with /r option.
/m \\computer Specify the target computer.
/t xxx     Set the time-out period before shutdown to xxx seconds.
The valid range is 0-315360000 (10 years), with a default of 30. If the timeout period is greater than 0, the /f parameter is implied.
/c “comment” Comment on the reason for the restart or shutdown.
Maximum of 512 characters allowed.
/f         Force running applications to close without forewarning users.
The /f parameter is implied when a value greater than 0 is specified for the /t parameter.
/d [p|u:]xx:yy  Provide the reason for the restart or shutdown.
p indicates that the restart or shutdown is planned.
u indicates that the reason is user defined.
If neither p nor u is specified the restart or shutdown is unplanned.
xx is the major reason number (positive integer less than 256).
yy is the minor reason number (positive integer less than 65536).