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Choose Edit > Add APFS Volume from the menu bar, or click + in the Disk Utility toolbar. In the sidebar, select your existing APFS volume. For this, you would simply need to open up the Disk Utility app, which is also included in your mac and a maybe a USB flash drive depending on your computer default macOS. The second solution is similar to the first but requires way less free disk space. The pros are that you will be able to run windows on your current mac! Installing Mojave on a separate APFS volume The cons of this method is that a high amount of free disk space that is needed for this to be a good experience. And you're done! To switch between macOS and Windows, restart your computer then press and hold the Option (or Alt) ⌥ key during startup. If the Boot Camp installer never opens, open the Boot Camp installer manually. Follow the on-screen instructions to install Boot Camp and Windows support software. After Windows is done installing, your Mac will start up in Windows and open a ”Welcome to the Boot Camp installer” window. Then click Next and follow the onscreen instructions to begin installing Windows. Before installing Windows make sure that any external devices that are not necessary are unplugged during installation.
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But most of the times it is automatically defaulted to that option. If you are asked where to install Windows, select the BOOTCAMP partition and click Format. Once finished, your Mac will restart to the Windows installer. Depending on how you acquired your Windows you will either have to plug in the USB that has your copy or download a Window disk image if from the Microsoft website if you have a product key. Bootcamp will ask you to choose the sizes of the partition, apple recommends to have a minimum of 64Gb of free space for windows and a recommended 128 Gb of free space in order to get the best experience. Launching this will split your hard drive into 2 partitions, one for your macOS and one for your Windows. After that, you will need to launch Boot Camp Assistant, which is included in your mac, and follow the on-screen instructions. You will need a copy of Windows 10 64-bit and check to make sure that your macOS is up to date. The first solution is using BootCamp to switch between macOS and windows.
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