The Read-only attribute protects data stored on Hard Disk. This article shows how to make disk or disk partition read-only in Windows 11/10.

If you do not see the Recovery Partition in Disk Management, you can create it. Learn how to add Recovery Partition in Windows 11/10 computer.

Splitting your drive into multiple partitions has its uses, but it's a good idea to take some extra care before doing it.

Disk utility shows my 1TB SSD as circular diagram with what seems to be 2 partitions: 930GB formatted as APFS (blue color), 70,3GB unformatted (white pizza piece).