diff --git a/src/chocolatey/__tests__/conan.test.ts b/src/chocolatey/__tests__/conan.test.ts
new file mode 100644
index 00000000..e52516be
--- /dev/null
+++ b/src/chocolatey/__tests__/conan.test.ts
@@ -0,0 +1,15 @@
+import { setupChocolatey } from "../chocolatey"
+import { spawnSync as spawn } from "child_process"
+
+jest.setTimeout(100000)
+
+describe("setup-chocolatey", () => {
+  it("should setup chocolatey", async () => {
+    await setupChocolatey()
+
+    const { status } = spawn("choco", ["--version"], {
+      encoding: "utf8",
+    })
+    expect(status).toBe(0)
+  })
+})
diff --git a/src/chocolatey/chocolatey.ts b/src/chocolatey/chocolatey.ts
new file mode 100644
index 00000000..5da8ef88
--- /dev/null
+++ b/src/chocolatey/chocolatey.ts
@@ -0,0 +1,17 @@
+import { exec } from "@actions/exec"
+import which from "which"
+
+export async function setupChocolatey() {
+  if (which.sync("choco", { nothrow: true }) !== null) {
+    return
+  }
+
+  // https://docs.chocolatey.org/en-us/choco/setup#install-with-cmd.exe
+  const exit = await exec(
+    `@"%SystemRoot%\\System32\\WindowsPowerShell\\v1.0\\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "[System.Net.ServicePointManager]::SecurityProtocol = 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\\chocolatey\\bin"`
+  )
+
+  if (exit !== 0) {
+    throw new Error(`Failed to install chocolatey`)
+  }
+}
diff --git a/src/main.ts b/src/main.ts
index ddca230b..94ec47cf 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,4 +1,5 @@
 import * as core from "@actions/core"
+import { setupChocolatey } from "./chocolatey/chocolatey"
 import { setupCmake } from "./cmake/cmake"
 import { setupConan } from "./conan/conan"
 import { setupGcovr } from "./gcovr/gcovr"
@@ -60,6 +61,12 @@ export async function main(): Promise<number> {
     if (llvmVersion !== undefined) {
       await setupLLVM(llvmVersion, setupCppDir)
     }
+
+    // setup chocolatey (required for installing msvc)
+    const chocoVersion = maybeGetInput("choco")
+    if (chocoVersion !== undefined) {
+      await setupChocolatey()
+    }
   } catch (err) {
     core.error(err as string | Error)
     core.setFailed("install-cpp failed")