Step 3: If you want to upgrade your current macOS to macOS Mojave, simply use the continue button to proceed and follow step 5. But even so, having less than 100GB, or having a mess ton of files can lock up bootcamp. I think Apple locks people out from bootcamp when the HD is changed. After some reboots, windows just fails so hard I can't ever log back into it. When you computer is lagging or you find Windows 10 freezing on startup, you can also find an effective solution in this directory.
In addition, if you need to convert disk to MBR or GPT without data loss, MiniTool Partition Wizard can help you perform disk conversion in an effortless way.
