WinFontsView is a handy utility to see fonts installed in Windows. Besides the list of fonts, you can even preview each installed font in atleast 5 different font sizes (from small to big). You can customize the font preview using buttons at top menu for viewing: italics, bold, underline font preview.
By default, it shows alphabets in font preview window. You can switch to all number preview by going to Options > Advances Options (or press F8) and chose the relevant sample text from drop down box. You can also save font preview as HTML file by going to File > Save Selected Items
Download WinFontsView [weblink] to preview fonts installed on Windows in different sizes. Just download, unzip and start using this utility (no install is required). One very quick and useful utility for previewing fonts!