Ah, that sounds like it probably is the issue. RAM is very low (my recommendation would be at least 8GB, just in case), and the video card is very very old. I'm actually surprised you managed to get the game to run at all. If running BFP_hi_perf_*.bat file instead of BFP.exe doesn't inprove things, then probably nothing will. It's likely the card doesn't fully support vulkan, which Godot and the game use for rendering.
The language setting was referring to Windows, not the game. You can safely ignore that, we gave established the issue.
And lol, you're not giving me any trouble. Tbh I suspected older hardware might be the culprit here. As I said, I'm quite surprised you got the game running. :) But nice