Written for Synergy 3 (v3.7.2) and Synergy 1 (v1.21.4), checked 3 October 2026.
Synergy 3
The Synergy 3 user interface is in English. We are planning on adding additional language support in the future.
Synergy 1
To change the language, open Edit, then Preferences, and choose it from Language on the General tab. The Synergy 1 user interface supports 7 languages:
- English
- Español (Spanish)
- Italiano (Italian)
- 日本語 (Japanese)
- 한국어 (Korean)
- Русский (Russian)
- 简体中文 (Simplified Chinese)
Some windows, such as the serial key and activation dialogs, are in English whichever language you choose.