diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3145a4c..2f8f22c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
             macos-14, # ARM
             ubuntu-latest, # x64
             buildjet-2vcpu-ubuntu-2204-arm, # ARM
-            # windows-latest, # deactivated for now as there is still a Windows issue
+            windows-latest,
           ]
 
     runs-on: ${{matrix.os}}
diff --git a/src/NewProject.res b/src/NewProject.res
index 9554980..f76211b 100644
--- a/src/NewProject.res
+++ b/src/NewProject.res
@@ -69,7 +69,7 @@ let createProject = async (~templateName, ~projectName, ~versions) => {
   await updateRescriptJson(~projectName, ~versions)
 
   await RescriptVersions.installVersions(versions)
-  let _ = await Promisified.ChildProcess.execFile("git", ["init"])
+  let _ = await Promisified.ChildProcess.exec("git init")
 
   if !CI.isRunningInCI {
     s->P.Spinner.stop("Project created.")
diff --git a/src/RescriptVersions.res b/src/RescriptVersions.res
index 4f1ff70..225c1b2 100644
--- a/src/RescriptVersions.res
+++ b/src/RescriptVersions.res
@@ -67,7 +67,15 @@ let installVersions = async ({rescriptVersion, rescriptCoreVersion}) => {
   let packageManager = PackageManagers.getActivePackageManager()
   let packages = [`rescript@${rescriptVersion}`, `@rescript/core@${rescriptCoreVersion}`]
 
-  let _ = await Node.Promisified.ChildProcess.execFile(packageManager, ["add", ...packages])
+  // #58: Windows: packageManager may be something like
+  // "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js".
+  //
+  // Therefore, packageManager needs to be in quotes, and we need to prepend "node "
+  // if packageManager points to a JS file, otherwise the invocation will hang.
+  let maybeNode = packageManager->String.endsWith("js") ? "node " : ""
+  let command = `${maybeNode}"${packageManager}" add ${packages->Array.join(" ")}`
+
+  let _ = await Node.Promisified.ChildProcess.exec(command)
 }
 
 let esmModuleSystemName = ({rescriptVersion}) =>
diff --git a/src/bindings/Node.res b/src/bindings/Node.res
index 795fe40..14d14e9 100644
--- a/src/bindings/Node.res
+++ b/src/bindings/Node.res
@@ -85,6 +85,6 @@ module Promisified = {
     type execResult = {stdout: string, stderr: string}
 
     @module("./NodePromisified.mjs")
-    external execFile: (string, array<string>) => promise<execResult> = "execFile"
+    external exec: string => promise<execResult> = "exec"
   }
 }
diff --git a/src/bindings/NodePromisified.mjs b/src/bindings/NodePromisified.mjs
index b8d35bf..afe0874 100644
--- a/src/bindings/NodePromisified.mjs
+++ b/src/bindings/NodePromisified.mjs
@@ -1,4 +1,4 @@
-import { execFile as execFileCallback } from "child_process";
+import { exec as execCallback } from "child_process";
 import { promisify } from "util";
 
-export const execFile = promisify(execFileCallback);
+export const exec = promisify(execCallback);