Some vendors offer a 30-day full-featured trial of V25. This is the safest way to "test before you buy." Search for the official website (avoid third-party download aggregators) and register with a corporate email address to receive the installer.
Downloading PBMS Tools v25: A Complete Guide to Installation and Safety pbms tools v25 software download full
Select the appropriate matching your USB adapter (verify this via Windows Device Manager if unknown). Some vendors offer a 30-day full-featured trial of V25
However, note that alternatives will not interface with proprietary PBMS brand controllers unless they support standard protocols like Modbus/TCP or BACnet/IP. rendering it unusable.
Counterfeit or modified versions of the software often have corrupted communication stacks. Attempting a firmware flash with a cracked version can "brick" a $5,000 PLC, rendering it unusable.