Who else have Windows on a boot camp partition, and what use do they give it? How do you tell people you are not stupid for buying a Mac? A couple of things to note first. TIL that Command, Option, and Delete will instantly delete a file and bypass the Trash Can. Save hide report. Mar 27, 2012 These are instructions on how to remove a Windows Boot Camp partition and expand your Mac OS X partition to regain the newly available hard drive space.
Boot Camp Control Panel User Guide
You can set the default operating system to either macOS or Windows. The default operating system is the one you want to use when you turn on or restart your Mac.
Boot Camp Partition Size
Set the default operating system
How To Remove A Boot Camp Partition From Mac Computer
In Windows on your Mac, click in the right side of the taskbar, click the Boot Camp icon , then choose Boot Camp Control Panel.
If a User Account Control dialog appears, click Yes.
Select the startup disk that has the default operating system you want to use.
If you want to start up using the default operating system now, click Restart. Otherwise, click OK.
You can’t change your startup volume to an external FireWire or USB drive while you’re using Windows.
To learn how to change the default operating system using macOS, see Get started with Boot Camp.
Restart in macOS
In Windows on your Mac, do one of the following:
Restart using Startup Manager: Restart your Mac, then immediately press and hold the Option key. When the Startup Manager window appears, release the Option key, select your macOS startup disk, then press Return.
If you’re using a portable Mac with an external keyboard, make sure you press and hold the Option key on the built-in keyboard.
Restart using Boot Camp Control Panel: Click in the right side of the taskbar, click the Boot Camp icon , then choose Restart in macOS.
This also sets the default operating system to macOS.
For more information about restarting in macOS, see the Apple Support article Switch between Windows and macOS.