ImageMagick installation

Linux (Debian, Ubuntu, Kali and distributions providing a native package)

1. apt-get update && apt-get install imagemagick (replace apt-get by your distribution package manager)

Linux (other distributions)

1. Get the latest ImageMagick program. The current version was 7.0.9 at the time of writing this tutorial.
   https://imagemagick.org/script/download.php

2. Download it on your system (choose 32 or 64bits) and put it wherever you want, let's say /opt
$ cd /opt && mkdir imagemagick && cd imagemagick
$ wget https://imagemagick.org/download/binaries/magick
$ chmod +x ./magick

3. Make a symlink to the magick binary in your /usr/local/bin directory
   $ ln -s /opt/imagemagick/magick /usr/local/bin/convert

4. Execute the binary with the -v option to check that everything works

   $ convert -version
   Version: ImageMagick 7.0.9-13 Q16 x86_64 2020-01-01 https://imagemagick.org
   Copyright: © 1999-2020 ImageMagick Studio LLC
   License: https://imagemagick.org/script/license.php
   Features: Cipher DPC 
   Delegates (built-in): bzlib djvu fontconfig freetype gvc jbig jng jpeg lcms lqr lzma openexr png raqm tiff wmf x xml zlib
   

Windows

Follow that tutorial (archived here), just be sure to check Add application directory to your system path and Install legacy utilities