diff --git a/book/src/user/supported-platforms.md b/book/src/user/supported-platforms.md
index cbb83cdc84..3220ce72d5 100644
--- a/book/src/user/supported-platforms.md
+++ b/book/src/user/supported-platforms.md
@@ -35,6 +35,7 @@ For the full requirements, see [Tier 2 platform policy](platform-tier-policy.md#
 | `x86_64-unknown-linux-gnu` | [GitHub ubuntu-latest](https://github.com/actions/virtual-environments#available-environments) | 64-bit | [latest stable release](https://github.com/rust-lang/rust/releases) | N/A
 | `x86_64-unknown-linux-gnu` | [GitHub ubuntu-latest](https://github.com/actions/virtual-environments#available-environments) | 64-bit | [latest beta release](https://github.com/rust-lang/rust/blob/beta/src/version) | N/A
 | `x86_64-apple-darwin` | [GitHub macos-latest](https://github.com/actions/virtual-environments#available-environments) | 64-bit | [latest stable release](https://github.com/rust-lang/rust/releases) | N/A
+| `x86_64-pc-windows-msvc` | [GitHub windows-latest](https://github.com/actions/virtual-environments#available-environments) | 64-bit | [latest stable release](https://github.com/rust-lang/rust/releases) | N/A
 
 ## Tier 3