Go to the folder where Pro100 is installed (usually C:\Program Files\PRO100). Find a file named PRO100.ini and open it with Notepad.
Change the value after the equals sign to your desired language (e.g., Language=English). Save the file and restart the program. Method 3: Managing Language Files (.lng) Pro100 Change Language
Navigate to the top menu bar and click on Tools (or the equivalent in the current language, usually the fourth or fifth tab from the left). Select Configuration or Options from the dropdown menu. Go to the folder where Pro100 is installed
In the pop-up window, look for a tab labeled General or Interface. Find the Language dropdown menu. Pro100 Change Language
For most recent versions of Pro100, you can find the language settings within the main configuration menu. Launch Pro100 on your computer.