Windows 11 has a built-in tool to manage disk partitions. This tool is Disk Management. You can use it to create new partitions, merge existing partitions, extend a partition size, etc.

You must also create a backup of your files and ... since you might see additional partitions appear on the disk management screen. With all the important prerequisites out of the way, let's ...

Click the Next button to complete the operation. Read: How to create New, Resize, Extend Partition using Disk Management Tool. If you want more than 4 partitions then you must use the DISKPART ...