| Issue | Workaround | |-------|-------------| | No 32-bit plugins | Check if vendor offers 64-bit version. For some (e.g., PDF Tools), use 32-bit in parallel or a VM. | | Some scanner drivers (old TWAIN) | Use WIA instead or install 32-bit just for scanning. | | Old VBA automation (Excel to PDF) | Update VBA code to reference 64-bit Acrobat COM ( Acrobat.CAcroApp still works). | | Custom toolbar scripts | Reinstall in %ProgramFiles%\Adobe\Acrobat DC\Acrobat\JavaScripts (not x86). |
If you are running Windows 10 or 11, you should absolutely be using the 64-bit version (now the default installation). adobe acrobat pro dc 64 bit
For maximum performance, combine 64-bit Acrobat Pro DC with a fast SSD, 16 GB RAM, and run regular “Save As Optimized” on legacy PDFs. | Issue | Workaround | |-------|-------------| | No