Click on SAMSUNG SSD, and select NEW Simple Volume from right-click menu.Run Disk management in Windows 10 by type in diskmgmt.msc in Win+R box.Windows 10 Disk Management is a powerful partition tool to free manage disk space, it's very useful for new Disks, and here are the steps to partition SAMSUNG SSD 840 in Disk management: This guide also applies to 850 Evo or other Solid State Disks Partition it in Disk Management If you have this disk running out space, you can also use our guide steps to free up SSD disk space. How to partition SSD in Windows 10? We have many methods to create new partition in new disks and redistribute disk space methods for older ones. SAMSUNG SSD 840 is sized in 120G, 250G, and 500G, so it's really necessary to partition it and make full use of SSD disk.