Can not boot into Windows 10 with Boot Camp after partitioning more space to Windows in Disk Utility I wanted to allocate more space to the Windows side by using Disk utility in macOS. So I partitioned a new part. I would then jump to windows and allocate that new untitled partition to Windows, but I can't get back to Windows. Is there a solution to this? I'm fine with reinstalling windows if thats an option. However, I would like my windows key, if that is possible. I followed this video https://www.youtube.com/watch?v=zhkdOLXT6Eg.

Operating System: Sierra 10.12.6

I also looked at this post, but I can not figure out what to do.

Mac won&#39;t boot Windows partition after using disk utility

Thanks
You will need to boot into Windows to access the recovery key. Do you have the T2 security chip? If so, try disabling Secure Boot. Apple doesn't recommend resizing the Bootcamp partition so that might be the issue.