: If Boot Camp Assistant stops responding while partitioning, open Disk Utility
Boot Camp Assistant will now work its magic. It will partition your startup drive, format your USB drive, and copy the Windows 10 installation files to it. This process can take 10-20 minutes. Once complete, your Mac will automatically restart and boot from the USB drive into the Windows Setup environment. bootcamp 40 4033 windows 10 install
: Many users report that Boot Camp Assistant fails to download the support software directly, often returning generic errors about saving to the selected drive. Apple Support Community Common Installation Errors and Fixes : If Boot Camp Assistant stops responding while
Select from the macOS Utilities window and click Continue. Once complete, your Mac will automatically restart and
Set the size of the Windows partition. Note: The partition cannot be resized later without removing Windows, so choose at least 60-100GB for Windows 10.
Turn it on, then immediately press and hold .
This clears temporary boot information and is the most effective first step for this specific error. Shut down your Mac.