If you want a similar experience (view PDFs in the browser), here are the standard solutions:
Accanto a "Portable Document Format (PDF)", seleziona dal menu a tendina. Safari (Mac) : Apri Safari e vai in Impostazioni > Sicurezza . plugin adobe reader per il browser
The installation process may vary slightly depending on your web browser. Here are general steps for some popular browsers: If you want a similar experience (view PDFs