Auslogics Disk Defrag 12.3.0.1 is an essential maintenance tool designed to significantly enhance your PC’s performance. It achieves this by efficiently defragmenting and reorganizing files on your hard disk. This software is specifically engineered to combat system sluggishness and crashes often caused by disk fragmentation, ensuring your hardware investments deliver maximum performance.
Beyond simple defragmentation, Auslogics Disk Defrag acts as a comprehensive disk optimizer. It intelligently places system files in faster disk areas, minimizes the VSS storage area’s growth, and consolidates free space to prevent future fragmentation. With its user-friendly interface and advanced optimization techniques, it remains compact and easy to use, making disk maintenance straightforward and effective.
In This Post
Download Auslogics Disk Defrag
File size: 25.6 MB
OS support: Windows
Windows
Notable Features
- Free Space Consolidation: Disk Defrag merges scattered free space into a single, large contiguous block. This process significantly slows down future file fragmentation and accelerates overall disk access speeds.
- System Files Smart Placement: Commonly used Windows system files are defragmented and strategically moved to the faster sections of the disk. This minimizes the time required for the hard drive to access these critical files, thereby boosting overall computer performance.
- Enhanced User Interface: The redesigned user interface is seamlessly integrated into the Windows Explorer context menu and can be minimized to the system tray. It offers numerous customization settings to simplify the defragmentation process.
- List of Fragmented Files: After a disk analysis, Auslogics Disk Defrag provides a detailed list of all fragmented files. Users can sort this list to identify the most fragmented files and their paths, with the option to defragment individual files directly from the list.
- Auto-Defrag Mode: The auto-defragmentation feature allows Disk Defrag to operate in real-time, silently defragmenting your hard drives in the background when your system is idle, without interrupting your workflow.
- Single File or Folder Defragmentation: For targeted optimization, users can choose to defragment specific files or folders instead of an entire drive. This saves time by focusing only on the necessary files, which is particularly useful for frequently accessed data.
- Scheduled Defragmentation: To ensure continuous disk health, Auslogics Disk Defrag offers a wide range of scheduling options. Users can set the most suitable time span for regular, automatic disk defragmentation.
- SSD Optimization: The software includes an improved SSD Optimizer module that detects SSDs and applies special optimization algorithms instead of defragmentation, reducing write operations and extending drive lifespan.
Technical Requirements
Minimum
- OS: Windows 7, 8, 8.1, 10, 11 (32-bit, 64-bit)
Technical Specifications
| Software Name | Auslogics Disk Defrag |
|---|---|
| Version | 12.3.0.1 |
| License | Free |
| File Size | 25.6 MB |
| OS Support | Windows |
| Language | English, German, Dutch, Japanese, Russian |
| Developer | Auslogics |
| Homepage | https://www.auslogics.com/en/software/disk-defrag/pro/ |
| Changelogurl | https://www.auslogics.com/en/software/disk-defrag/changelog/ |
| Last Updated | August 4, 2026 |
New in This Version
- some GUI elements have been improved; fixed known issues.
For complete changelog, visit the official release notes.
Setup Instructions
Installation Steps
- Click the download button above to get the installer for your operating system.
- Locate the downloaded file (auslogics-disk-defrag-setup.exe) and double-click to run the installer.
- Follow the on-screen installation wizard, accepting the license agreement and choosing your installation preferences, to complete the setup.
Compatibility: Compatible with Windows 7 and later versions.
Fix Common Problems
- Issue: Installation fails → Solution: Run the installer as administrator by right-clicking the executable and selecting Run as administrator.
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