Adobe Reader is the ultimate solution for viewing PDF documents. Adobe Systems developed the software in 1993 to facilitate users. You can now easily open PDF documents regardless of their size and content. It’s a lightweight application. So, there’s no need to worry about resource consumption. You can install it on all versions of Windows OS and also get it for your smartphone. It’s a free tool for home users. But you’ll have to purchase the license if you intend to use it for commercial applications. You can translate the software in more than 25 languages.