Windows 7 may be Microsoft’s most anticipated product ever. It builds on Windows Vista’s positives, and eliminates many of that OS’s negatives. It adds new functionality, too—all in a package that is less resource-hungry than its predecessor. And whether or not you're upgrading from Vista or skipping it altogether and moving up from Windows XP, you'll need to know how to make the most of it in your environment. Here are 77 tips and tricks to get you there.