Windows does antialias in a special way. MacOS and Linux are usually configured to respect the font shapes, using subpixels as needed. Windows font rendering pr

Windows does antialias in a special way. MacOS and Linux are usually configured to respect the font shapes, using subpixels as needed. Windows font rendering prefers to snap to the nearest pixel, increasing sharpness but not being as faithful to the letter shapes. Some people don't care, some people get used to both, but for some people going from Windows to anything else is difficult.