: 64-bit systems utilize a larger address space for features like Address Space Layout Randomization (ASLR), making it harder for malware to exploit vulnerabilities.
The 64-bit architecture handles asynchronous file I/O better. Saving a PDF directly to OneDrive or SharePoint occurs in the background while you continue working on another document.
The most significant technical difference between the old 32-bit standard and the modern 64-bit version is memory addressability.
The 64-bit version of Adobe Acrobat for Windows 10 is a unified application that integrates modern AI tools, security features, and cloud connectivity to streamline document workflows. Unlike older 32-bit versions, this unified 64-bit installer provides a single experience for Reader and Acrobat users, optimized for modern Windows performance. Key Features of Acrobat 64-bit Download Acrobat 64-bit for Windows - Adobe Help Center