diff --git a/build_vst_plugin.ps1 b/build_vst_plugin.ps1
new file mode 100644
index 0000000..9977f3d
--- /dev/null
+++ b/build_vst_plugin.ps1
@@ -0,0 +1,14 @@
+  if ($args -contains "native") {
+
+    Write-Host "Build VST with ASM synth"
+    go build -buildmode=c-shared -tags="plugin","native" -o sointu-vsti.dll .\cmd\sointu-vsti\
+
+  } elseif ($args -contains "go") {
+
+    Write-Host "Build VST with GO synth"
+    go build -buildmode=c-shared -tags="plugin" -o sointu-vsti.dll .\cmd\sointu-vsti\
+
+  } else {
+    Write-Host "specify either ""native"" or ""go"" argument."
+  }
+
diff --git a/build_vst_plugin_native.ps1 b/build_vst_plugin_native.ps1
deleted file mode 100644
index 0b7118f..0000000
--- a/build_vst_plugin_native.ps1
+++ /dev/null
@@ -1 +0,0 @@
-go build -buildmode=c-shared -tags="plugin","native" -o sointu-vsti.dll .\cmd\sointu-vsti\
\ No newline at end of file
diff --git a/write_envelexp_wav.ps1 b/write_envelexp_wav.ps1
index e69de29..c7363e1 100644
--- a/write_envelexp_wav.ps1
+++ b/write_envelexp_wav.ps1
@@ -0,0 +1,19 @@
+cd build
+ninja sointu
+cd ..
+
+if ($LASTEXITCODE -eq 0) {
+  if ($args -contains "native") {
+
+    Write-Host "Render with ASM synth"
+    go run -tags=native .\cmd\sointu-play\main.go -w .\examples\envelopexp_dev.yml
+
+  } elseif ($args -contains "go") {
+
+    Write-Host "Render with GO synth"
+    go run .\cmd\sointu-play\main.go -w .\examples\envelopexp_dev.yml
+
+  } else {
+    Write-Host "specify either ""native"" or ""go"" argument."
+  }
+}