Go to Windows Control Panel -> Region Settings. Change your system locale to "English (United States)" before running the software installer. Re-run the installer and select "Modify" or "Repair" to add the English language package. Issue 2: Text Displays as "???" on the HMI Screen
To summarize the keyword :
Use the "Project Text" editor (under the "Tools" menu) to export all texts to Excel, translate them, and import them back for fast bulk translation. --- Wincc Flexible Smart V3 Change Language -FREE-
Perform a Rebuild All compilation on the project before transferring the configuration to the Smart Line HMI. Ensure the target panel's firmware version matches your software configuration. To help refine this project, let me know: Which specific languages you are trying to add? What model number of the Smart Line panel are you using? Go to Windows Control Panel -> Region Settings
Install the required language pack through Windows settings. After restarting your computer, the language should become available in WinCC Flexible. Issue 2: Text Displays as "