diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -67,6 +67,10 @@ cross-compilation may be necessary.
 * `linux_armv6l`
 * `linux_arm64`
 * `windows_amd64`
+* `darwin_amd64`
+* `darwin_arm64`
+
+For detailed platform support information across different Go versions, see [SUPPORTED_PLATFORMS.md](SUPPORTED_PLATFORMS.md).
 
 The following sections list the ways to get a build of the Microsoft fork of Go.
 
diff --git a/SUPPORTED_PLATFORMS.md b/SUPPORTED_PLATFORMS.md
new file mode 100644
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@@ -0,0 +1,62 @@
+# Supported Platforms
+
+This document outlines the platform support matrix for different versions of the Microsoft build of Go.
+
+"Support" in this context means that Microsoft actively tests these platforms and will accept bug reports for them. Platforms outside this scope are provided support on a best-effort basis with no guarantees.
+
+## Platform Support Matrix
+
+| Platform | Architecture | Status | Notes |
+|----------|-------------|--------|-------|
+| Linux | amd64 | ✅ Supported | Azure Linux 3.0+, CBL-Mariner 2.0, Ubuntu 22.04+ |
+| Linux | arm64 | ✅ Supported | Azure Linux 3.0+, CBL-Mariner 2.0, Ubuntu 22.04+ |
+| Linux | armv6l | ✅ Supported | Modern Linux distributions |
+| Windows | amd64 | ✅ Supported | Windows Server 2016+, Windows 10+ |
+| Windows | arm64 | ✅ Supported | Windows Server 2016+, Windows 10+ |
+| macOS (Darwin) | amd64 | 🔄 Preview | macOS 13+, not for production |
+| macOS (Darwin) | arm64 | 🔄 Preview | macOS 13+, not for production |
+
+## Platform Support History
+
+### Go 1.24
+- Added macOS (Darwin) amd64 and arm64 support in preview mode
+
+### Go 1.23
+- macOS (Darwin) platforms not available
+
+## Platform-Specific Notes
+
+### Linux
+- **linux-amd64**: Fully supported and tested. This is the primary development and testing platform.
+- **linux-arm64**: Fully supported for ARM64-based systems.
+- **linux-armv6l**: Supported for ARM v6 systems, including Raspberry Pi devices.
+- **Minimum supported distributions**: 
+  - Azure Linux 3.0 (recommended)
+  - Ubuntu 22.04 and later
+  - CBL-Mariner 2.0
+- **OpenSSL Requirements**:
+  - OpenSSL 1.1.1 (supported)
+  - OpenSSL 3.x (supported)
+    - Built-in providers are supported
+    - SymCrypt provider v1.6.0 or higher is supported
+
+### Windows
+- **windows-amd64**: Fully supported on Windows Server 2016 and later, Windows 10 and later.
+- **Minimum supported versions**:
+  - Windows 10 (any version)
+  - Windows Server 2016 and later
+  - Windows Server Core 2016 and later
+
+### macOS (Darwin) - Preview Status
+- **darwin-amd64** and **darwin-arm64**: Available in preview mode.
+- **Minimum supported versions**: macOS 11 (Big Sur) and later
+- ⚠️ **Not recommended for production use** - these builds are experimental.
+- `systemcrypto` support is also in preview status.
+- Please [open an issue](https://github.com/microsoft/go/issues/new) if you encounter problems.
+
+## Getting Help
+
+If you need support for an additional platform or encounter issues with a supported platform:
+
+1. Check existing issues with the [Area-Acquisition](https://github.com/microsoft/go/labels/Area-Acquisition) label
+2. [File a new issue](https://github.com/microsoft/go/issues/new/choose) if your platform or issue isn't already covered