Adobe Reader 8.1 was released in 2007 and has been "End of Life" (EOL) for many years.
. Because it is past its "End of Life" (EOL), using this version today carries significant risks:
Reader 8.1 added support for the PRC file format , a highly compressed format for 3D geometry and graphics. adobe reader 8.1
Unless you are using a legacy Windows XP machine for a specific industrial purpose, .
Adobe Reader 8.1 is a free software application developed by Adobe Systems Incorporated. It is a popular PDF (Portable Document Format) reader used to view, print, and manage PDF files. This report provides an overview of Adobe Reader 8.1, its features, system requirements, and security aspects. Adobe Reader 8
It introduced official support for Windows Vista and 64-bit versions of Windows XP and Vista.
The update allowed users to organize and read eBooks through a separate integration with Adobe Digital Editions. System Requirements (Legacy) Unless you are using a legacy Windows XP
The 8.1 update was primarily designed to modernize the Reader 8 family for then-new computing standards: