If you are upgrading from v31.x or v30.x, here is what Juki added in the 2021 release:
Juki releases software updates frequently. However, v32.533.2021 holds a specific niche. By 2023-2024, newer versions (v34, v35) introduced changes to UI scaling, database structures, and machine communication protocols. download juki pm 1 software v32 533 2021
You will need proof of ownership for a compatible Juki machine (e.g., AMS-221EN-4540 or LK-1900BN). Juki requires this to release legacy software. If you are upgrading from v31
The 2021 build includes a built-in tool to format USB drives to FAT32 with proper partition alignment for Juki machine readers (a notorious issue with drives over 8GB). newer versions (v34