However, running Adobe Premiere 6.5 as a 64-bit full version on modern systems can present several challenges:

that may contain malware or viruses. Adobe did not introduce native 64-bit support for its video editing software until Premiere Pro CS5 Key Features of Version 6.5

This created the demand for a “64-bit UPD” (Update)—a hypothetical patch that would let the software break these shackles.