Modern Macs don’t have CD/DVD drives.
- It is recommended because it is very inexpensive. Please see here for the detail. Buy a BUFFALO portable CD/DVD drive for your MacBook
Create ISO image from Windows installation disc
Then, a pop-up will appear asking “Are you sure you want to change the extension from .cdr to .iso?”, so click “Use .iso”. This completes the creation of the ISO image of the Windows installation disk.
How to Download Windows 10 ISO File on MacHow to Download Windows 11 ISO File
Please see here for how to install Windows on “VirtualBox” and “Parallels Desktop” using the created ISO image.
Install Windows 10 in VirtualBox on Mac Parallels Desktop – Install Windows 10