: If upgrading from a version earlier than V2.4.0, it is recommended to uninstall the old version first; your existing user data will remain unaffected.
Yamaha Expansion Manager (YEM) version 2.8.1 is a free desktop application for managing expansion packs on Yamaha arranger workstations and digital keyboards yamaha expansion manager v281 for windows 10 81 full
Now go build that dream custom voice pack. Your keyboard is waiting. : If upgrading from a version earlier than V2
Ensure your PC meets the following minimum requirements for a stable installation on Windows 10 or 8.1: yamaha expansion manager v281 for windows 10 81 full
Proceed through the installation wizard. Ensure you are connected to the internet during the first launch. Yamaha - Россия 3. Setting Up Your Instrument
: Version 2.8.1 specifically added support for the ELA-1 .