Otherwise, the utility is mostly unchanged. It's the additional tabs which make this version rock. Click the Find by Content tab, and you're presented with a larger text-entry field which accepts words or phrases and gives you the option of searching a disk or folder you've highlighted in the finder, or on specific, mounted volumes, which appear in a window below. By Content feature, which permits you to choose words or phrases to turn up any resident files in which they appear. This is a processor intensive operation, making it one which is best scheduled for times when your Mac is otherwise not in use.
Indexing is very straight forward.
Click the Index Volumes button and check the volumes you want indexed. Only mounted volumes are listed, so insert any Zip or Jaz disks you may want indexed. Once indexed, they will appear as unmounted choices which you can insert as needed. When scheduling over night indexing, remember that 2am Wednesday is otherwise Tuesday night. Click the Search Internet tab and what's revealed is again deceptively simple.