如果是本地沒有Kali環境，你可以在Kali下載頁面https://www.kali.org/downloads/上找到ISO和Torrent的下載鏈接。這上面既有全新安裝的ISO文件，也提供安裝好系統的vmware和virtual box虛機文件。目前最新的Version更新到2018.3。
如果您已經安裝了Kali系統，您可以按照以下方式輕鬆升級。
step01:
查看配置文件，默認設置的是官方更新源
root@kali:~# cat /etc/apt/sources.list
deb http://http.kali.org/kali kali-rolling main non-free contrib
step02:
更新系統
root@kali:~# apt update && apt -y full-upgrade
apt update //更新可用軟件包列表
apt full-upgrade //通過卸載|安裝|升級等方式來更新系統
step03:
Then after running apt -y full-upgrade, you may require a reboot before checking:
step04:
驗證
root@kali:~# grep VERSION /etc/os-release
VERSION="2018.3"
VERSION_ID="2018.3"
或
root@kali:~# uname -a
附其它更新源：
#中科大 deb http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib deb-src http://mirrors.ustc.edu.cn/kali kali-rolling main non-free contrib #阿里雲 deb http://mirrors.aliyun.com/kali kali-rolling main non-free contrib deb-src http://mirrors.aliyun.com/kali kali-rolling main non-free contrib #清華大學 deb http://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free deb-src https://mirrors.tuna.tsinghua.edu.cn/kali kali-rolling main contrib non-free #浙大 deb http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free deb-src http://mirrors.zju.edu.cn/kali kali-rolling main contrib non-free #東軟大學 deb http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib deb-src http://mirrors.neusoft.edu.cn/kali kali-rolling/main non-free contrib #官方源 deb http://http.kali.org/kali kali-rolling main non-free contrib deb-src http://http.kali.org/kali kali-rolling main non-free contrib