Windows / OS Guides

Category3 guides

Windows/OS

Clean, reliable walkthroughs for activating Windows, tuning performance, and fixing system errors without clutter.

Windows/OS

Find What's Taking Up Space on Your Drive

C drive full and no idea why? These free Windows tools scan a drive and show which folders are eating the space, biggest first, so you know exactly what to clean up.

windowsfree-toolsstorage

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Windows/OS★ Featured

How to Activate Windows and Office

When you download a new windows version you will need to activate it, this way you can do it for free. Microsoft Office apps need activation too.

windowsofficeactivation

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Windows/OS★ Featured

Optimize Windows and Mass-Install Apps with Chris Titus WinUtil

Run one PowerShell command to open Chris Titus WinUtil, apply tweaks that clean up and speed up Windows, then install a whole batch of apps in a single click.

windowsoptimization

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