When we bought a flat, only one partition, download the partition software is not safe, then what method of security has stability, then look down to solve the problem. Without affecting the system, does not affect the data, the software is not downloaded when the security zoning, take WINDOWS10 as an example.
First we click on the Start menu to open "Control Panel"
After that, we choose system and security.
In the selection, we select "Create and Format partitions" in Administrative tools
In Disk Management Select the disk you want to partition the hard drive right click Select "Compressed Volume" click or enter the size of the disk to be separated, point "compression"
When it's done, it's not out. A display unallocated blank disk.
We right-click on the blank disk and select "New Simple Volume", and then continue to the next step to determine.