Auslogics Registry Defrag a the safest and fastest way to compact your Windows registry and restore smooth and stable performance with a totally FREE registry defrag tool.
Auslogics Registry Defrag a the safest and fastest way to compact your Windows registry and restore smooth and stable performance with a totally FREE registry defrag tool.
Many computer users have heard about registry cleanup, while registry defragmentation is often overlooked as a way to additionally improve PC performance. Auslogics Registry Defrag puts an extra tool in your hands that will help your Windows work more efficiently.
With data being written to and deleted from your Windows registry all the time, this critical system database can get fragmented over time, just like a hard drive could. There may be gaps between registry keys that result in more memory being taken up by registry data. Registry Defrag will eliminate the gaps to make your Windows registry smaller and improve its efficiency.
A heavily fragmented Windows registry may get various programs and system components taking longer to read the data they need for proper operation. When the registry is defragmented, reading the necessary keys or entries from it will take less time. This should help applications work a bit faster when accessing registry data.
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. 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.
Technical details
Publisher
Auslogics
Author
Auslogics Labs Pty Ltd
Version
15.1.0.2
Release date
2026-04-07
License
Freeware
Installer type
inno
Architecture
x86
Package ID
Auslogics.RegistryDefrag
Admin rights
Required
Install scope
All users
Install Auslogics Registry Defrag from the command line
Yes, Auslogics Registry Defrag is free to download and use on Windows.
What is the latest version of Auslogics Registry Defrag?
The latest version is 15.1.0.2, released on Apr 7, 2026.
Is it safe to download Auslogics Registry Defrag?
The download button links to the official installer published on downloads.auslogics.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 317b360cc8a08203fdb71bb786203a37cd17fe4208e49d7618dc3472cea6f93f.
Which Windows versions does Auslogics Registry Defrag support?
Auslogics Registry Defrag runs on Windows and is available for 32-bit (x86) systems.
How do I install Auslogics Registry Defrag silently?
Run the offline installer with "auslogics-registry-defrag-setup.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-, or install it with Windows Package Manager: winget install --id=Auslogics.RegistryDefrag -e --silent.
How do I uninstall Auslogics Registry Defrag?
Open Settings › Apps › Installed apps, find Auslogics Registry Defrag and select Uninstall. From the command line, run winget uninstall --id=Auslogics.RegistryDefrag -e.
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