To install these Fonts, go to the folder "Fonts", located  in the WINDOWS folder. 
Once you are in the "Fonts" folder, click the File tab and select "Install new Font...", 
locate the fonts in this pack and install them.

In these steps, you are going to be able to make your Windows XP fonts to look like Mac OS X fonts.

Step 1: Right-Click on your desktop, select "Properties" and then "Apperance".

Step 2: You must have ClearType on, or else it wont look as good. Click on "Effects". and tick the box that says "Use the following method to smooth edges of screen fonts". Then in the drop down box below, select "ClearType".
Press OK, then Apply. And then next, select Advanced from the Apperance section.

Step 2: In the drop down box (it says Desktop), select Icon.

Step 3: In the drop down box, select a Mac OS X font and then select B for bold. Press OK and then Apply. And there you go!
