diff --git a/install.sh b/install.sh
index 834c5b8..7b14414 100755
--- a/install.sh
+++ b/install.sh
@@ -8,22 +8,21 @@ else
 fi
 
 if [ "$OS" = "Windows_NT" ]; then
-  curl.exe -fsSL "${base_url}denow.bat" -o ./denow.bat
-  curl.exe -fsSL "${base_url}denow" -o ./denow
-  chmod +x ./denow
+  pwsh -Command "v='$1'; irm ${DENOW_DL_BASE_URL}/install.ps1 | iex"
+  exit 0
+fi
+
+if command -v curl 2> /dev/null; then
+  curl -fsSL "${base_url}denow.bat" -o ./denow.bat
+  curl -fsSL "${base_url}denow" -o ./denow
+elif command -v wget 2> /dev/null; then
+  wget "${base_url}denow.bat" -O ./denow.bat
+  wget "${base_url}denow" -O ./denow
 else
-  if command -v curl 2> /dev/null; then
-    curl -fsSL "${base_url}denow.bat" -o ./denow.bat
-    curl -fsSL "${base_url}denow" -o ./denow
-  elif command -v wget 2> /dev/null; then
-    wget "${base_url}denow.bat" -O ./denow.bat
-    wget "${base_url}denow" -O ./denow
-  else
-    echo "Neither 'curl' nor 'wget' found." >&2
-    exit 1
-  fi
-  chmod +x ./denow
+  echo "Neither 'curl' nor 'wget' found." >&2
+  exit 1
 fi
+chmod +x ./denow
 
 if [ -n "$1" ]; then
   deno_version="$1"
@@ -35,12 +34,7 @@ else
   exit 1
 fi
 
-if [ "$OS" = "Windows_NT" ]; then
-  powershell -Command "(gc ./denow.bat) -replace '%__DENO_VERSION__%', '$deno_version' | Out-File -encoding ASCII ./denow.bat"
-  powershell -Command "(gc ./denow.bat) -replace '\$__DENO_VERSION__', '$deno_version' | Out-File -encoding ASCII ./denow"
-else
-  sed -i "s/%__DENO_VERSION__%/$deno_version/g" ./denow.bat
-  sed -i "s/\$__DENO_VERSION__/$deno_version/g" ./denow
-fi
+sed -i "s/%__DENO_VERSION__%/$deno_version/g" ./denow.bat
+sed -i "s/\$__DENO_VERSION__/$deno_version/g" ./denow
 
 echo "Created wrapper! You can use ./denow to launch Deno."
diff --git a/install_test.sh b/install_test.sh
index 5513457..2b10445 100644
--- a/install_test.sh
+++ b/install_test.sh
@@ -2,7 +2,7 @@
 set -ex
 
 python -m http.server 7000 &
-sleep 3s # let server get ready
+sleep 3 # let server get ready
 
 export DENOW_DL_BASE_URL="http://localhost:7000/"