Have a custom tweak for IDM 6.43? Drop the registry key in the comments.
feature, allowing the IDM interface to scale font sizes automatically. Customizable UI Fonts: idm 6.43
Go to the official IDM download archive (or use the direct link for version 6.43 if still available). The file name is typically idman643build25.exe (the exact build number may vary, e.g., 6.43 build 25). Have a custom tweak for IDM 6