WinUtilities Free is a collection of tools that lets you supercharge your PC's performance, enhance its security, tweak and optimize its settings, and customize and personalize your screens.

Registry Cleaner makes your system more stable by cleaning out the bad Registry entries that build up each time you install and uninstall the software.

The program's Registry Optimizer defragments and rebuilds your Registry, making your entire system run more smoothly and quickly. The program includes powerful tools to clean and optimize your hard drives.

The Disk Cleaner removes clutter and unnecessary files from your PC, allowing it to run more quickly. The DiskDefrag module defragments your hard drive, keeping it running efficiently.

WinUtilities's Windows Optimizers keep Windows running faster. The Memory Optimizer ensures that memory is properly released when you stop running each program on your system. More features include secure file deletion, recycle bin shredding, maintenance tasks scheduling, and file recovery.

Similar:

Best Drive Cleaner? CCleaner VS Wise Disk Cleaner VS PrivaZer

How to Use Storage Sense to Delete Junk Files in Windows 10 Automatically

Version History for WinUtilities:
https://www.pcclean.io/category/winutilities-version-history/#

Limitations:
WinUtilities Free only contains the basic maintenance modules. The Pro version is $29.95 and comes with "enhanced" tools, whatever that means.