diff --git a/utils/vscode/README.md b/utils/vscode/README.md
index afbb246..bc02211 100644
--- a/utils/vscode/README.md
+++ b/utils/vscode/README.md
@@ -1,7 +1,17 @@
 # Visual Studio Code extension for SPIR-V disassembly files
 
-This directory holds a Visual Studio Code extension adding syntax highlighting for SPIR-V disassembly files (.spirv)
+This directory holds a Visual Studio Code extension adding syntax highlighting for SPIR-V assembly files (`.spvasm`)
+
+## Dependencies
+
+In order to build and install the Visual Studio Code language server extension, you will need to install and have on your `PATH` the following dependencies:
+* [`npm`](https://www.npmjs.com/)
+* [`golang`](https://golang.org/)
 
 ## Installing (macOS / Linux)
 
-Simply run `install.sh`
+Run `install.sh`
+
+## Installing (Windows)
+
+Run `install.bat`
diff --git a/utils/vscode/install.bat b/utils/vscode/install.bat
new file mode 100644
index 0000000..21a52ec
--- /dev/null
+++ b/utils/vscode/install.bat
@@ -0,0 +1,30 @@
+@REM Copyright (c) 2019 Google Inc.
+@REM
+@REM Licensed under the Apache License, Version 2.0 (the "License");
+@REM you may not use this file except in compliance with the License.
+@REM You may obtain a copy of the License at
+@REM
+@REM     http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing, software
+@REM distributed under the License is distributed on an "AS IS" BASIS,
+@REM WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@REM See the License for the specific language governing permissions and
+@REM limitations under the License.
+
+@set EXT_PATH=%userprofile%\.vscode\extensions\google.spirvls-0.0.1
+@set ROOT_PATH=%~dp0
+
+go run %ROOT_PATH%\src\tools\gen-grammar.go --cache %ROOT_PATH%\cache --template %ROOT_PATH%\spirv.json.tmpl --out %ROOT_PATH%\spirv.json
+go run %ROOT_PATH%\src\tools\gen-grammar.go --cache %ROOT_PATH%\cache --template %ROOT_PATH%\src\schema\schema.go.tmpl --out %ROOT_PATH%\src\schema\schema.go
+
+if not exist %EXT_PATH% mkdir -p %EXT_PATH%
+copy %ROOT_PATH%\extension.js %EXT_PATH%
+copy %ROOT_PATH%\package.json %EXT_PATH%
+copy %ROOT_PATH%\spirv.json %EXT_PATH%
+
+go build -o %EXT_PATH%\langsvr %ROOT_PATH%\src\langsvr.go
+
+@pushd %EXT_PATH%
+call npm install
+@popd
diff --git a/utils/vscode/src/tools/gen-grammar.go b/utils/vscode/src/tools/gen-grammar.go
index f9980b9..42cbbe9 100644
--- a/utils/vscode/src/tools/gen-grammar.go
+++ b/utils/vscode/src/tools/gen-grammar.go
@@ -77,9 +77,12 @@
 					}
 					return rel
 				}
+				escape := func(str string) string {
+					return strings.ReplaceAll(str, `\`, `/`)
+				}
 				args := []string{
-					"--template=" + relPath(*templatePath),
-					"--out=" + relPath(*outputPath),
+					"--template=" + escape(relPath(*templatePath)),
+					"--out=" + escape(relPath(*outputPath)),
 				}
 				return "gen-grammar.go " + strings.Join(args, " ")
 			},