Originally Posted by Bethers

When you preview the site, you choose which program you preview it in.( I don't know, I just click preview from BV and it show up on Explorer and I save it as Save as... ... even I use same computer its script from same site same design or layout sometimes show a bit differently now and then) And it's your computer that chooses which font it shows - based on the fonts you have in your computer.

It's important that you use a web friendly font - (I use Tahoma or Verdana for my site) that means one that is common to most, if not all, computers. Most fonts are NOT programmed by default into all computers - and Mac's and Windows computers use different fonts. One site that gives you the web friendly fonts is:
Web Friendly Fonts