If you are already running Linux and need to manage secondary drives (not the one the OS is currently running on), you can install it directly via your package manager. GParted -- Download

For the most secure and up-to-date files, always use official sources:

To manage your primary operating system's partition, you must boot from an external medium. Download the GParted Live ISO to create a bootable USB or CD.

GParted (Gnome Partition Editor) is the standard free, open-source tool for graphically managing disk partitions on Linux, Windows, and macOS. It allows you to resize, move, and copy partitions without data loss, making it essential for tasks like creating space for a new operating system or reorganizing disk usage. Where to Download GParted