Windows 10, of course, carries on the vaunted Windows legacy of backward compatibility. That means all the power user tricks and tools you’ve been using for years—like Windows Reliability Monitor, GodMode, Problem Steps Recorder, and monitor calibration—still work just fine. Check out PCWorld’s guide to "17 obscure Windows tools and tricks too powerful to overlook" for a full rundown.
And if you upgrade from Windows 7, you’re in for even more goodies that were first introduced in Windows 8, like drastically faster boot times, pooled storage spaces, and Reset and Refresh tools to quickly start your installation over from scratch. Windows 8 may have been ugly, but it had some damned fine additions under the hood.
Looking for even more? Be sure to check out PCWorld’s guide to Windows 10’s best tips, tricks, and tweaks.