Windows installation through bootcamp and SSD error
At time mark 11:49 in the 9to5Mac video the author is about to turn off the virtual machine. However, before turning off, a command needs to be entered to copy the drivers from the $WinPEDriver$ folder to the drivers store on the USB drive. This can be accomplished by executing the following steps.

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From the Start Menu, open a Command Prompt window by selecting Run as administrator, as shown below.

When the popup windows shown below appears, click on the Yes button.


In the Command Prompt window, enter the following command, as shown in the image below. The external USB drive letter in the video was F. If your external USB drive has been assigned a different letter, then make the appropriate substitutions when entering the command shown below.
dism /Image:F:\ /Add-Driver /Driver:F:\WindowsSupport\$WinPEDriver$ /Recurse /ForceUnsigned



Note: Some drivers are not meant to be installed this way. If such a driver is encountered, then you may see a warning message. You can ignore these messages.


When the dism command is finished, you can enter the exit command to close the Command Prompt window.

Proceed with the instructions given in the video.