Minecraft mac download wont unpack launcher

{"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1e\/Install-Minecraft-Forge-Step-1-Version-8.jpg\/v4-460px-Install-Minecraft-Forge-Step-1-Version-8.jpg","bigUrl":"\/images\/thumb\/1\/1e\/Install-Minecraft-Forge-Step-1-Version-8.jpg\/aid3149798-v4-728px-Install-Minecraft-Forge-Step-1-Version-8.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"<div class=\"mw-parser-output\"><p>\u00a9 2020 wikiHow, Inc. All rights reserved. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image is <b>not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.<br>\n<\/p><p><br \/>\n<\/p><\/div>"}