You can partition a hard drive in Windows 10 to create dedicated portions of the hard drive that your computer will recognize separately.
Windows 7 not booting? Learn how to fix startup issues using Safe Mode, Startup Repair, or command prompt tools.
You can partition a hard drive with Windows' Disk Management utility by shrinking the existing partition and formatting the new unallocated partition.
You can turn on Streamlined Progression in the settings menu, allowing you to enable options like "constant max HP" or ...