Approximately 380MB to 450MB of available hard-disk space. End of Life (EOL) Warning
The software included advanced sandboxing technology to prevent malicious files from accessing system resources or sensitive data. adobe reader xi version 11.0.23
Although version 11.0.23 was primarily a maintenance and security release, it solidified the core capabilities that made Reader XI a preferred choice for many users: Approximately 380MB to 450MB of available hard-disk space
Windows 7, 8, and 10; macOS 10.6 and later. Processor: 1.5GHz or faster. RAM: 1GB minimum (2GB recommended for better performance). adobe reader xi version 11.0.23
It is important to note that for Adobe Reader XI on October 15, 2017. Because version 11.0.23 is the final release, Adobe no longer provides: Overview — Release Notes for Legacy Acrobat Products
