RegCool is a very flexible editor for the Windows registry. The program offers an attractive interface, convenient context menus and a handy tool bar, with the extensive editing functions are available at your fingertips. RegCool provides the complete functionality of the Windows own Regedit, but adds a lot of additions. Editing .reg and .hive-Files in Offline Mode (Offline Registry)
Publisher’s description
What is RegCool?
RegCool is a free cleaners & uninstaller program for Windows from Kurt Zimmermann. It ranks 15th by popularity among cleaners & uninstallers in this catalogue.
Installation and requirements
Official installers exist for 32-bit as EXE. The main installer is 3.4 MB. The installer supports unattended (silent) installation.
Updates and version history
The current version is 3.0.0.5, released on February 4, 2026. 3 versions are listed since September 29, 2025, each with links to its own installer files.
Popularity and file types
The Chocolatey package has been downloaded 11,761 times. Similar programs include OSSEC HIDS, CCleaner 7 and Windows Memory Cleaner.
Pros / Cons
Pros
- Free to use
- Documented silent install
- Small download (3.4 MB)
Cons
- No native ARM64 build
- 32-bit only
In short: RegCool is a free cleaners & uninstaller tool for 32-bit PCs. Administrators can deploy it unattended.
Is RegCool safe to download?
- The file is served by kurtzimmermann.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
3A3D3FD1902423B37AB387D0529396BD90E31DAAC6C4FB96DBD923325DA3A997· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 3 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 3.0.0.5Latest | February 4, 2026 | 3.4 MB | 32-bit EXE |
| 3.0.0.2 | December 26, 2025 | 3.4 MB | 32-bit EXE |
| 2.0.4.0 | September 29, 2025 | 3.5 MB | 32-bit EXE32-bit EXE |
Install from the command line
Silent install ›winget install --id KurtZimmermann.RegCool -echoco install regcool.portable -yRegCool.exe /si /st /deProgram files (.exe): regcool.exe, regedit.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Kurt Zimmermann
- Category
- Cleaners & uninstallers
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE
- Version
- 3.0.0.5
- Released
- February 4, 2026
- Added to the catalogue
- October 27, 2025
- Versions listed
- 3
- Chocolatey downloads
- 11,761
- Website
- kurtzimmermann.com
- winget ID
- KurtZimmermann.RegCool
- Chocolatey package
- regcool.portable
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to RegCool
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OSSEC HIDS3.7.0OSSEC (Open Source HIDS SECurity) is a free, open-source host-based intrusion detection system (HIDS).Open source73.4K ↓ -
CCleaner 77.11.1522.1958CCleaner for PC helps you clean up your Windows computer, optimize performance, and maintain your online privacy.Free9M ↓ -
Windows Memory Cleaner3.0.8This free RAM cleaner uses native Windows features to optimise memory areas. It's a compact, portable, and smart application.Open source726 ↓ -
O&O RegEditor16.1.6660Enables easy and efficient editing of the Windows Registry, supported by a portable version that requires no installation.Proprietary23.4K ↓ - RegistryChangesView1.31A tool to take a snapshot of Windows Registry and compare with another Registry snapshots.Free23.1K ↓
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Frequently asked questions
Is RegCool free?
Yes. RegCool is free to use.
Is RegCool safe to download?
The download comes from kurtzimmermann.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install RegCool with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can RegCool be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does RegCool run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Where can I download an older version of RegCool?
The versions page lists all 3 versions with links to their official installer files, back to September 29, 2025.
What are alternatives to RegCool?
OSSEC HIDS, CCleaner 7, Windows Memory Cleaner, O&O RegEditor and RegistryChangesView. The alternatives page compares them.
