Software

Add a header or footer in Word from the Insert tab, pick a built-in design or start blank, insert page numbers, and set a different first page.

How to turn on Track Changes in Word, switch between All Markup, Simple Markup, and No Markup, accept or reject edits, and lock tracking with a password.

Learn the exact VLOOKUP syntax, see a real example, and fix the #N/A errors that trip up almost everyone the first time they use it.

Chrome slows down from too many tabs, memory-hungry extensions, or a stale cache. Use Chrome's built-in Task Manager to find the cause, then fix it.

GIMP is a free, open-source image editor that handles most Photoshop tasks. This guide covers what it does well, how to install it safely, and where to start.

Free file-recovery tools for Windows compared: Recuva, Windows File Recovery, TestDisk, PhotoRec and Disk Drill — what each recovers and where it stops.

PhotoScape is a free, beginner-friendly Windows photo editor. Here's what its Editor, Batch, and Collage tools do, plus how to download it safely.

Run two Facebook accounts on one phone or PC without sketchy apps: pair the app with a browser, use browser profiles, clone the app, or switch profiles.

Fix stuttering VLC playback on Android: switch hardware acceleration, lower the video quality, clear the app's cache, update VLC, and tune network caching.