Cara Install QGIS 3.14 di kali linux - ihsanhaaa/Seputar-Linux GitHub Wiki

First install some tools you will need for this instructions:

sudo apt install gnupg software-properties-common

Now install the QGIS Signing Key, so QGIS software from the QGIS repo will be trusted and installed:

wget -qO - https://qgis.org/downloads/qgis-2020.gpg.key | sudo gpg --no-default-keyring --keyring gnupg-ring:/etc/apt/trusted.gpg.d/qgis-archive.gpg --import

sudo chmod a+r /etc/apt/trusted.gpg.d/qgis-archive.gpg

Add the QGIS repo for the latest stable QGIS (3.14.x Pi).

Note: "lsb_release -c -s" in those lines will return your distro name:

sudo add-apt-repository "deb https://qgis.org/debian lsb_release -c -s main"

Update your repository information to reflect also the just added QGIS one:

sudo apt update

Now, install QGIS:

sudo apt install qgis qgis-plugin-grass

Selesai..

sumber: https://qgis.org/id/site/forusers/alldownloads.html