The search term you want to use is P2V or Disk2VHD which is also the name of a Microsoft tool for that purpose.
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Thanks, I'll look into that.
You might also look into the built in tool that Windows 10 has for doing an image level backup of the system.
You can pass thought your drive to your vm and should be able to boot from it
I only have experience with Linux systems, but it seems GParted (the program I use to modify and create partitions) also works outside of the Linux environment. So, here's an open source option.
Also, you should make more backups before trying to clone the drive. There's some recommended backup programs on the GParted website.
Good luck!