diff --git a/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/install-fnm.ps1 b/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/install-fnm.ps1
index 27ae766c..8b87069b 100755
--- a/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/install-fnm.ps1
+++ b/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/install-fnm.ps1
@@ -1,8 +1,10 @@
 # Set the HOME directory to the directory of the script
-$HOME = Split-Path -Parent $MyInvocation.MyCommand.Definition
+$WORKING_DIR = Split-Path -Parent $MyInvocation.MyCommand.Definition
+
+Write-Output $WORKING_DIR
 
 # Set the FNM_DIR variable
-$FNM_DIR = Join-Path -Path $HOME -ChildPath ".fnm"
+$FNM_DIR = Join-Path -Path $WORKING_DIR -ChildPath ".fnm"
 
 # Create the directory if it does not exist
 if (-Not (Test-Path -Path $FNM_DIR)) {
@@ -11,12 +13,13 @@ if (-Not (Test-Path -Path $FNM_DIR)) {
 
 # Download and execute the FNM install script
 $zipUrl = "https://github.com/Schniz/fnm/releases/download/v1.38.1/fnm-windows.zip"
-$zipFilePath = "$FNM_DIR\installer"
+$zipFilePath = "$FNM_DIR\installer.zip"
 Invoke-WebRequest -Uri $zipUrl -OutFile $zipFilePath
 
 $destinationPath = $FNM_DIR
 Expand-Archive -Path $zipFilePath -DestinationPath $destinationPath -Force
 
 # Load the FNM environment and install Node.js version 20.15.1
-"$FNM_DIR\fnm.exe" env --use-on-cd --shell powershell | Out-String | Invoke-Expression
-"$FNM_DIR\fnm.exe" install 20.15.1
\ No newline at end of file
+Invoke-Expression "$FNM_DIR\fnm.exe install 20.15.1 --fnm-dir $FNM_DIR"
+
+Write-Output "Finished FNM installation"
\ No newline at end of file
diff --git a/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/invoker.properties b/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/invoker.properties
index 00f8dfeb..56f6851d 100644
--- a/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/invoker.properties
+++ b/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/invoker.properties
@@ -1,3 +1,3 @@
-invoker.environmentVariables.HOME=${basedir}/target/it/node-version-manager/fnm/with-npm
-invoker.environmentVariables.FNM_DIR=${basedir}/target/it/node-version-manager/fnm/with-npm/.fnm
-invoker.environmentVariables.XDG_DATA_HOME=${basedir}/target/it/node-version-manager/fnm/with-npm
\ No newline at end of file
+invoker.environmentVariables.HOME=${basedir}/target/it/node-version-manager/windows/fnm
+invoker.environmentVariables.FNM_DIR=${basedir}/target/it/node-version-manager/windows/fnm/.fnm
+invoker.environmentVariables.XDG_DATA_HOME=${basedir}/target/it/node-version-manager/windows/fnm
\ No newline at end of file
diff --git a/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/prebuild.groovy b/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/prebuild.groovy
index 8c33081b..a0316adc 100644
--- a/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/prebuild.groovy
+++ b/frontend-maven-plugin/src/it/node-version-manager/windows/fnm/prebuild.groovy
@@ -1,2 +1,2 @@
-def p = "powershell $basedir/install-fnm.ps1".execute()
+def p = "powershell $basedir\\install-fnm.ps1".execute()
 p.waitForProcessOutput(System.out, System.err)
\ No newline at end of file
diff --git a/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/version/manager/client/FnmClient.java b/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/version/manager/client/FnmClient.java
index f530e32b..0d84278f 100644
--- a/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/version/manager/client/FnmClient.java
+++ b/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/version/manager/client/FnmClient.java
@@ -35,22 +35,33 @@ public File getNodeExecutable(String nodeVersion) {
         String architecture = platform.getArchitectureName();
         String osCodename = platform.getCodename();
         String nodeOnPlatform = String.format("node-%s-%s-%s", nodeVersionWithV, osCodename, architecture);
-        Path path = Paths.get(fnmDir, "node-versions", nodeVersionWithV, nodeOnPlatform, "bin", "node");
 
+        if (installConfig.getPlatform().isWindows()) {
+            return Paths.get(fnmDir, "node-versions", nodeVersionWithV, "installation", "node.exe").toFile();
+        }
+
+        Path path = Paths.get(fnmDir, "node-versions", nodeVersionWithV, nodeOnPlatform, "bin", "node");
         if (Files.exists(path)) {
             return path.toFile();
         }
+
         return Paths.get(fnmDir, "node-versions", nodeVersionWithV, "installation", "bin", "node").toFile();
     }
 
     @Override
     public File getNpmExecutable(String nodeVersion) {
         File nodeExec = getNodeExecutable(nodeVersion);
+
+        if (installConfig.getPlatform().isWindows()) {
+            return Paths.get(nodeExec.getParent(), "node_modules", "npm", "bin", "npm-cli.js").toFile();
+        }
+
         return new File(nodeExec.getParent(), "npm");
     }
 
     private String getFnmDir() {
         String fnmDir = System.getenv("FNM_DIR");
+        System.out.println("XXX " + fnmDir);
         if (fnmDir != null) {
             Path path = Paths.get(fnmDir);
             if (Files.exists(path)) {
@@ -60,19 +71,26 @@ private String getFnmDir() {
 
         String home = System.getenv("HOME");
         if (home != null) {
-            Path path = Paths.get(home, ".fnm");
-            if (Files.exists(path)) {
-                return path.toString();
-            }
-
-            path = Paths.get(home, "Library", "Application Support", "fnm");
-            if (Files.exists(path)) {
-                return path.toString();
-            }
-
-            path = Paths.get(home, ".local", "share", "fnm");
-            if (Files.exists(path)) {
-                return path.toString();
+            if (installConfig.getPlatform().isWindows()) {
+                Path path = Paths.get(home, "AppData", "Roaming", "fnm");
+                if (Files.exists(path)) {
+                    return path.toString();
+                }
+            } else {
+                Path path = Paths.get(home, ".fnm");
+                if (Files.exists(path)) {
+                    return path.toString();
+                }
+
+                path = Paths.get(home, "Library", "Application Support", "fnm");
+                if (Files.exists(path)) {
+                    return path.toString();
+                }
+
+                path = Paths.get(home, ".local", "share", "fnm");
+                if (Files.exists(path)) {
+                    return path.toString();
+                }
             }
         }