Once extracted, navigate to the folder and run Setup.exe .
The "MUI" designation means it contains all supported language packs, allowing the software to automatically match your operating system's language or let you switch languages within the app.
Close all other applications and uninstall any previous versions of Acrobat or Reader to avoid conflicts.
Double-click the .exe file. It will prompt you to select a folder for extraction (e.g., your desktop or a temporary folder).
It is a self-extracting installer for Adobe Acrobat Pro or Standard (2015 Release).
The file is the official Adobe installer for the 2015 Release (Classic Track) of Adobe Acrobat. This specific version was designed as a "perpetual" or standalone desktop product, distinct from the subscription-based Acrobat DC "Continuous" track. Key Technical Specifications