Pro100 Change Language

Applicable when: In-app language option is missing or grayed out.

Open with Notepad.

Locate the line:
Language= or Lang=

Change value to:
Language=EN (for English)
Language=RU (for Russian)
Language=DE (for German)
Language=FR (for French)

Save the file and restart Pro100.

If you can navigate the menus, this is the quickest way to make the switch. Pro100 Change Language

In the dropdown menu, select Options (or the bottom-most item).

In the Options window, look for a tab or section labeled Language or General.

You will see a dropdown list of available languages (e.g., Polski, English, Русский, Deutsch).

Select English.

Click OK (or the button on the far right/bottom).

Restart the application for the changes to take full effect.

If the menus are too confusing to read, use the keyboard shortcut method. Applicable when: In-app language option is missing or

| Problem | Likely Fix | |---------|-------------| | Language dropdown is disabled | Your version is locked (e.g., educational/trial). Full license required. | | Changing .ini does nothing | File is overwritten at launch. Set file to Read-only after editing. | | English is missing entirely | Download English language pack separately. | | Interface becomes mixed (Russian + English) | Clear cache: delete cache.dat in Pro100 user folder. | | After change, menus are blank/fonts broken | Reinstall or repair Microsoft Visual C++ Redistributables. | Open with Notepad

For many portable or older versions, the language is defined by a configuration file located in the installation folder.