You can partition C drive in Windows 11/10 without formatting using Shrink Volume or Diskpart command line & create a new partition out of it. Learn the procedure here.

Acharya1987’s C: drive is running out of space. I offer my suggestions, as does the Answer Line forum. I’m going to concentrate here on recovering disc space in Windows and your applications ...

To partition and format your drive, you can use Windows’ built-in tool called Disk Management. You can repartition and format your hard drives in Windows using the Disk Management tool.

There are many reasons to partition your hard drive: security, data redundancy, or filing. It's easier than you think. Here's how to split up your storage allocation and get it ready for use.

For added security, Windows 11 will forgo the older MBR partition scheme and use GPT instead. That may require users to convert their older hard drives. Here is how to do it.

You can partition a hard drive in Windows 10 to create dedicated portions of the hard drive that your computer will recognize separately.