Install, Upgrade and Activate
Install Windows 7 Step-by-Step
Activate Windows 7 Step-by-Step
How to fix this copy of Windows is not genuine?

Windows Update
Using Windows Update in Windows 7

Hardware and drivers

Performance and maintenance
Windows Experience Index (Edit Mode)
Improve performance by defragmenting your disk drive volumes using Disk Defragmenter
Delete files using Disk Cleanup
Check a disk drive for errors
Diagnose memory problems on your computer
Find out how much RAM your computer has
Resource Monitor (Updated!)

Security and Privacy
Using Windows CardSpace
Using Credential Manager
Understanding User Account Control
How to stop User Account Control (UAC) from dimming my screen in Windows 7?
How do I Turn off User Account Control in Windows 7?
How do I Set up Parental Controls?
How do I Create a Password Reset Disk in Windows 7?
How do I Log on to my Windows 7-based computer if I forgot my password?
How do I Disable Windows Firewall in Windows 7?
How do I Allow programs to communicate through Windows Firewall?
How to Restrict User Accounts from Windows Media Player Library?

Desktop, appearance and personalization
How to Add Administrative Tools to Start Menu in Windows 7?

Networking and getting online
Backup your Network Profile to a USB flash drive

System repair and recovery

Music and sound

Windows 7 Tips
Disable Low Disk Space Notifications in Windows 7 (New!)
How to install IIS 7 on Windows 7?
Test Drive Windows 7 Online with Virtual Labs