"Adobe Acrobat Pro XI 11.0.0.379 Multilanguage Portable.48" is a non-official, third-party distribution of the legacy Adobe Acrobat XI Pro
System Requirements (for reference):
The "Portable" designation typically refers to a non-installed version that can run from a USB drive or external folder. While convenient, it is important to note that Adobe does not officially release "Portable" versions; these are usually created by third parties and may lack official security patches. Key Features and Capabilities Adobe Acrobat Pro XI 11.0.0.379 Multilanguage Portable.48
Forms Creation: This version was the only one to bundle FormsCentral, a desktop app for designing electronic forms and collecting responses. "Adobe Acrobat Pro XI 11
Key Features of Adobe Acrobat Pro XI 11.0.0.379 Multilanguage Portable Adobe Acrobat Pro XI 11.0.0.379 Multilanguage Portable.48