FAQ #7656 (June 22, 1997, by Gérald Santerre) explains how to open the default browser from VFP.
This is a big understatement: actually, the same procedure can be used to open
any document with the program registered in Windows to open that extension. (RUN can only open executables.)
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)