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Auslogics
Registry Defrag
The safest and fastest way to compact your Windows registry and restore smooth and stable performance.
Latest ver. 14.0.0.2 (01/04/2023)
Download nowCompatible with Windows 7, 8, 8.1, 10, 11.
14+ years
on the market
5-star awards
from industry experts
50+ million
user downloads
What does Registry Defrag do?
The problem: Your PC may be having intermittent freezes, slow application response or other stability problems. Combined with high memory usage, these issues may significantly reduce your computer's performance.
The solution: Registry Defrag will defragment and compact your Windows registry to reduce the amount of memory it takes up and restore system stability, so you can once again enjoy a smooth user experience.
Download Registry Defrag
Auslogics Registry Defrag is a product of Auslogics, certified Microsoft® Silver Application Developer. This status is granted by Microsoft to partners who demonstrate consistent capability, expertise, and commitment to quality.
Compatible with Windows 7, 8, 8.1, 10, 11.
Why Registry Defrag?
Absolutely FREE
This program is totally free with no term limitations for home or commercial use. Free regular updates included.
Easy for any skill level
The program explains every step it intends to take to defragment your registry so you don't need to guess what's going to happen.
Totally safe
Unless you manually uncheck the option, a restore point is created by default making it easy to roll back the changes later.
Industry-acknowledged quality
Exclusive Auslogics technology is proven safe and effective in multiple tests, used by PC manufacturers and recommended by experts.
Industry Acclaimed
Auslogics software is recognized by leading IT magazines and online resources
"This system optimization tool suite takes an everything-plus-the-kitchen-approach to cleaning, optimizing, and potentially speeding up your PC. Auslogics BoostSpeed includes modules and wizards for just about any kind of tweak or optimization you can imagine..." Learn more
"It is almost impossible to manually remove junk files and registry errors, but there are some handy tools out there that can do it for you. One of them is Aulsogics BoostSpeed. With this program you can maintain your PC at top speed with just a click of a button once a week."
"To prevent system slowdown from happening, regular defragmentation of your disk and registry is recommended. You can defragment your disk with the built-in tool from Microsoft, however we recommend using the faster and more avdnaced version in Auslogics BoostSpeed."
"Removing junk files manually can be a tedious process, but a nifty software from down under called Auslogics BoostSpeed can do it for you automatically. It will remove junk files and optimize the one-sit-fit-all Windows settings to your hardware. For additional speed boost it will fix registry errors and optimize your Internet settings."
"Of all the optimisation tools I've tested over the past few years, I'm happy to write that Auslogics BoostSpeed is one of the most comprehensive and user friendly, ... I couldn't recommend it highly enough."
"Speed up your slow computer and Internet with this Editor's Choice software." Learn more
"BoostSpeed is an effective all-encompassing utility suite, combining some of Auslogics' popular freeware titles with services that they don't offer elsewhere... No doubt, BoostSpeed gives you your money's worth." Learn more
"Another source of identity theft are files with sensitive information. Simply deleting them doesn't make them go for good. It's quite easy to "undelete" them and use in ways you probably will not be happy about. But if you delete a file, or a folder with Auslogics' File Shredder, you can be sure that they will be impossible to recover."
"This meticulously written application is an ideal solution for anyone who wants to boost their computer for peak performance without costly hardware upgrades. BoostSpeed gives you a combination of 15 precision-engineered modules to clean-up and defragment your computer disks, fix registry errors and speed up internet connection."
"Think of the best PC speedup suite you've tried. And then add more. More tools. More features. More depth, more extras, and more thought behind everything. That'll give you some idea of what to expect from this excellent program..." Learn more
"All in one performance tool for your PC that is very easy to use." Learn more
"Auslogics BoostSpeed will give you the ideal solution to keep your computer running smooth and fast." Learn more
"Auslogics BoostSpeed can protect you from identity theft. Being a useful computer optimization tool, it also includes a number of very useful privacy and security applications. It offers advanced protection where anti-virus software can't help."
"You can clean up, optimize and defragment your PC using Auslogics's OneButton Checkup. Tests showed an impressive performance improvement on a 4-year old laptop and its optimization techniques should work for a much newer computer, too."
"Auslogics Boost Speed is a worthy alternative to constantly having to upgrade your computer. Even if your computer is relatively new, the program will keep it running fast and error-free for a long time." Learn more
"This is a smart little program that novice users will find handy, and it does a good job of explaining itself and the various tweaks it offers."
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To make sure you get the right license key…
Which program do you have on your PC?
Disk Defrag
Product Version 11.0.0.2
Auslogics Disk Defrag Pro is the advanced version of Disk Defrag Free with extended functionality, including file placement and scheduling options.
Get a license for this softwareor
Disk Defrag ULTIMATE
Product Version 4.12.0.4
Formerly known as Disk Defrag Pro and recently renamed to Ultimate, this program offers all the tools and options you need for complete professional optimization of HDDs and SSDs.
Learn more about ULTIMATE version