Downlod the latest version from here
https://www.imagemagick.org/script/download.php
ImageMagick-7.0.7-12-Q16-x64-dll.exe
or
ImageMagick-7.0.7-12-Q16-x86-dll.exe
install, make sure adding the Imagick folder to the system PATH.
Optionally you can tick legacy utilities (convert, mogrify) during installation. and check in cmd 'magick -version'
c:\convert --version Version: ImageMagick 7.0.7-12 Q16 x64 2017-11-29
http://www.imagemagick.org Copyright: Copyright (C) 1999-2015
ImageMagick Studio LLC License:
http://www.imagemagick.org/script/license.php Visual C++: 180040629
Features: Cipher DPC Modules OpenMP Delegates (built-in): bzlib cairo
flif freetype gslib jng jp2 jpeg lcms lqr openexr pangocairo png ps
raw rsvg tiff webp xml zlib
Download php_imagick.dll from https://pecl.php.net/package/imagick/3.4.3/windows
meets your php version requirments, put in to ext folder of php and add it to php.ini file.
extension=php_imagick.dll
Than, go to http://windows.php.net/downloads/pecl/deps/
find needed version
3/27/2016 5:32 PM 32707238 ImageMagick-6.9.3-7-vc11-x64.zip
3/27/2016 5:33 PM 31517070 ImageMagick-6.9.3-7-vc11-x86.zip
3/27/2016 5:34 PM 38717224 ImageMagick-6.9.3-7-vc14-x64.zip
3/27/2016 5:34 PM 37376244 ImageMagick-6.9.3-7-vc14-x86.zip
download package and put all the DLLs files from ImageMagick-6.9.3-7-vc1x-xxx.zip\bin\ except ImageMagickObject.dll to ...\apache\bin\ and restart the apache service.
MUST WORK!
P.S. You can also find all the stuff from mentioned above resources for PHP 7.2 except pecl library. Need to wait for a while.