How to create a new partition in Windows Installer? To create a new partition in the Windows installer, boot from the installation media, then select “Custom: Install Windows only (advanced).” ...

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

1] How to partition an SSD via Windows Settings In this method, we need to access the Storage Management settings that help you to create, shrink, or delete partitions in SSD.