win-acme

Spec sheet

What it does

win-acme is an ACMEv2 client for Windows for obtaining certificates from Let’s Encrypt and other ACME services.Read 10 Oct 2026 · win-acme.com

Intended users

The site describes the program as suitable for simple local IIS certificate setup and says it can grow to cover more advanced scenarios.Read 10 Oct 2026 · win-acme.com

Security

Encryption of sensitive configuration information using Microsoft Data Protection API is enabled by default and can be turned off.Read 10 Oct 2026 · win-acme.com

Support

Community support is provided through GitHub issues, while guaranteed future professional support is offered in connection with sponsoring a core developer.Read 10 Oct 2026 · win-acme.com

Headquarters

AustriaRead 28 Sep 2026 · win-acme.com

ACME providers

The site lists compatibility with Let’s Encrypt, ZeroSSL, DigiCert, Sectigo, Buypass and Keyon.Read 10 Oct 2026 · win-acme.com

Automation

The program supports unattended command-line operation, JSON-file configuration, PowerShell scripts and custom plugins written in C#.Read 10 Oct 2026 · win-acme.com

Certificate setup

Its simple interface creates and installs certificates on a local IIS server, with an advanced interface for other use cases including Apache and Exchange.Read 10 Oct 2026 · win-acme.com

Certificate storage

Certificates can be stored in Windows, the IIS Central Store, PEM files, PFX files or KeyVault.Read 10 Oct 2026 · win-acme.com

Certificate types

It can obtain wildcard and international-name certificates, and supports the optional OCSP Must Staple extension.Read 10 Oct 2026 · win-acme.com

Private-key protection

The site says cached private keys are encrypted and protected by filesystem access control lists by default.Read 10 Oct 2026 · win-acme.com

Renewals

The program creates a scheduled task that checks daily whether certificates need renewal.Read 10 Oct 2026 · win-acme.com

System requirements

The site says the current program depends on .NET 7 and officially supported Windows Server 2016 or higher; older releases may work on older Windows versions but are unsupported.Read 10 Oct 2026 · win-acme.com

Validation integrations

Its validation toolkit includes DNS, HTTP and TLS options, with examples including acme-dns, Azure, Route53 and Cloudflare.Read 10 Oct 2026 · win-acme.com

Plans and prices

Every win-acme plan and price →

Where Specifiction places it

• Certificate Management Software#23 of 317.1