: This version was notable for offering a native 64-bit application for Windows, improving performance on modern hardware while still maintaining a 32-bit version for legacy systems.

: This era of Acrobat introduced support for the Windows 11 context menu, allowing users to right-click files in File Explorer to quickly convert them to PDF or request signatures. Technical Specifications and Compatibility Acrobat Pro DC 2021 x64 and Windows 11 - Adobe Community

: Acrobat Pro DC is distinguished by its ability to collect legally binding e-signatures and track responses in real-time, a core feature emphasized in the 2021 updates.