Ashampoo WinOptimizer ($39.99 at Ashampoo UK) (Opens in a new window), for example, doesn't support the retired operating system. Notably, the utility also supports 32-bit Windows XP (with Service Pack 3), which is increasingly rare in the tune-up utility field.

The updated Norton Utilities is compatible with PCs running Windows 10, 8, and 7. Norton Utilities is a solid tune-up program, but its performance improvement and feature set don't quite match that of our Editors' Choices, AVG TuneUp and Iolo System Mechanic.

The Symantec Norton Utilities aims to fix the problems that plague older computers by repairing invalid Registry entries, freeing hard drive space, removing nonessential programs from the startup process, and so on. Over time, as your hard drive fragments, the Windows Registry goes awry, and junk files pile up, your PC inevitably begins to slow down.

How to Set Up Two-Factor Authentication.

How to Record the Screen on Your Windows PC or Mac.

How to Convert YouTube Videos to MP3 Files.

How to Save Money on Your Cell Phone Bill.

How to Free Up Space on Your iPhone or iPad.

How to Block Robotexts and Spam Messages.

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