Check out the Font Book app. It's already on your Mac in the Applications > Utilities folder. It can provide a wealth of info about the fonts installed.
TrueType fonts are supported directly on Mac OS X, as well as just about any other font type. If you double click on the font, it should open in Font Book.
zip file > Double Click .zip file to open > Click on the blue folder with the font title on it > click and drag the .ttf or .otf file into the second Finder ...
Which font format, .ttf or .otf, works better when installed on a MacBook Pro? Which format is preferable if I download a font from a website like Creative ...