Without persistence, all changes disappear on reboot. To save tools, files, and settings:
You can install multiple desktop environments on one installation and switch between them at the login screen, but it is cleaner to stick to the one provided by the ISO you download. kali linux iso image
(Commands for Linux/macOS users usually involve gpg --verify and gpg --fingerprint . Windows users can use Kleopatra or Gpg4win). Without persistence, all changes disappear on reboot
In technical terms, an ISO image is a single file—a "digital clone"—of the entire installation media for the operating system. You use this image to create bootable USB drives, burn DVDs, or launch Kali as a guest OS within virtualized environments like VirtualBox or VMware. Essential Pre-Download Checklist kali linux iso image