Gpg4win
Gpg4win-Initiative (Intevation GmbH / g10 Code GmbH) · current 5.1.1
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The current version of Gpg4win is 5.1.1 (as of 24/09/2026). patchletter checks the official source daily and emails you new releases.
Gpg4win at a glance
Gpg4win bundles GnuPG with graphical tools such as Kleopatra, GpgOL and GpgEX for Windows environments, and sysadmins use it to provide centralized email encryption, digital signatures and certificate management (OpenPGP and S/MIME). Typical use cases include securing Outlook communication via the GpgOL plugin and managing corporate or user certificates through Kleopatra in government agencies, law firms and organizations with strict confidentiality requirements.
Releases appear irregularly, often several times a year, and bundle updated versions of the individual components (the GnuPG core, Kleopatra, GpgOL, GpgEX and occasionally additional programs like the Okular PDF viewer). Besides feature improvements, releases regularly include security-relevant fixes in the underlying GnuPG engine or bundled libraries.
When updating, administrators should watch for changed system requirements, such as the move from 32-bit to 64-bit-only support, or changed installation paths and registry keys that can affect third-party software referencing the GnuPG binary path. Because Gpg4win integrates deeply with mail clients and certificate management, testing the Outlook integration and existing scripts before rolling out to production systems is advisable.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 5.1.1 | STABLE | 24/09/2026 | Release notes → |
| 5.1.0 | STABLE | 18/08/2026 | Release notes → |
Frequently asked questions
- What is the latest version of Gpg4win?
- Gpg4win 5.1.1, released 24/09/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Gpg4win release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Gpg4win updates?
- Tick Gpg4win off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Gpg4win version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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