
If you want to know how to get the most of Windows 7’s task scheduler, then this series of articles is what you need. It starts with an introduction of the tool, its interface and main features. The next article shows how to work with the basic task wizard while the last goes into advanced task scheduling and editing all possible properties of a task.
First Steps in Working With the Task Scheduler
How To Create a Task With the Basic Task Wizard
Advanced Users – Task Creation With Task Scheduler

Even if you have a big hard disk, it’s still a good idea to run a disk cleanup from time to time. Eliminate all the junk, temporary files, unused restore points, etc.
To learn how to use Windows 7’s Disk Cleanup tool and its new features, check this tutorial.
Free Up Wasted Space with Disk Cleanup

Did you know you can mount and edit ‘.vhd’ (virtual hard disk) images with Windows 7’s Disk Management tool?
If you are working with lots of virtual images, then this tip might come in handy.
Disk Management – How to Mount and Unmount VHD Images

This is for true geeks and network admins: how to use Disk Usage from Windows Sysinternals to calculate size from the command line.
Disk Usage (Download Page)
Calculate folder size from the command line (Tutorial)

If you miss the “Up to Parent Folder” button from Windows XP, then give this tip a read. It shows how to add this button back to Windows Explorer, on both Windows 7 and Windows Vista.
How to add a “go up to parent folder” button in explorer for Windows 7 and Vista
Firefox is already pretty fast when loading, but what if you could make it load even faster? That’s where Firefox Preloader comes in. This nifty program will pre-load some of the components that Firefox uses, so it loads up instantly. Check it out.
Speed Up Firefox with Firefox Preloader

This tutorial works on both Windows 7 & Windows Vista. It shows everything there is know about customizing the display of dates, times, currency and measurement systems used by your computer.
Change the display of dates, times, currency, and measurements

If you are working with lots of data and graphs on a regular basis, like most corporate geeks, then you should use Chart Advisor. This is a free tool from Microsoft Office Labs, helping you decide how to best create charts based on the data sets you’re working with.
Chart Advisor – Download Page
Tips on Using Chart Advisor & Communicating Data in a Visual Way

If you are running Microsoft Security Essentials together with the Windows 7 Firewall instead of a commercial security solution, you might be interested in this tutorial. It shows how to add exceptions to the default set of rules used by the Windows Firewall.
How to Manage Windows Firewall Communication Rules

If you’ve got a Wordpress site and your performance grade looks similar to the numbers in this picture, then you should give this case study a read. You’ll find some useful tips for how to optimize your website.
Optimizing Freeware Genius blog performance