Latest 64-Bit Live OR PERSISTENT COMES ON DVD, 32GB, 64GB OR 128GB FAST USB FLASH DRIVE/STICK. (USB BACKWARD COMPATIBLE USB2 OR USB1)

1- LIVE USB ( you can run linux on USB and install it later, when you reboot the live-usb will always keep original form and do not record any settings unless you install it to your PC, wifi passwords, files you created will not be recorded on USB, Live USB will be on the original state like 1st time use)

2- PERSISTENT USB ( you can run Linux on USB and any changes will be saved on the USB: folders, files, wifi passwords etc, you can also install it your PC or use just on USB without installing but keep your files on the USB)

KALI LINUX The most advanced Penetration Testing Distribution
Kali Linux is an open-source, Debian-based Linux distribution geared towards various information security tasks, such as Penetration Testing, Security Research, Computer Forensics and Reverse Engineering.

the instructions of booting up methods will be enclosed.. if you need a 32bit version for very old Laptops, please see my other items