Uninstall the current 32-bit version and reinstall the 64-bit version. License key and setting items must be re-installed.
If the destination folder is standard
"C:\Program Files (x86)\RectPacker\" to
This will be changed.
Even with 64-bit versions of Windows, 32-bit applications will run without any problems at all. However, since only 64-bit versions of Windows are being sold, we are shifting to 64-bit applications in order to keep up with the times. 64-bit compatibility will be partially supported through 32-bit processes for backward compatibility with license keys issued before April 22, 2023.
There are no particular advantages. The calculation speed remains the same. However, if the number of parts in a 1D layout calculation exceeds 2000 or so, the 32-bit version may run out of memory. In such a case, 64-bit will work more stably. The disadvantage is that the memory usage will increase even if the calculations are the same.