When you upload software to you get rewarded by points. We focus on the functionality of Adobe Reader and its alternatives you might need. This article is a brief introduction of Adobe Reader for Mac OS X 10.7 Lion. For the best and most secure experience of Adobe Acrobat and Adobe Reader, we recommend using the software on a supported operating system: OS X 10.8 (Mountain Lion), 10.9 (Mavericks), or 10.10 (Yosemite). Announcement for those of you using Mac OS X 10.6 (Snow Leopard) and 10.7 (Lion): Acrobat and Reader will be ending support for these operating systems after the next quarterly update, expected in May 2015.