Adding some details to readme
diff --git a/.gitignore b/.gitignore
index 8a123a3..b8b4469 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,6 +89,8 @@
skia/viewer/build/windows/dependencies/skia
skia/viewer/build/windows/dependencies/glfw
skia/viewer/build/windows/dependencies/glfw_build
+skia/viewer/build/windows/dependencies/bin
+skia/viewer/build/windows/bin
skia/viewer/build/windows/obj
skia/viewer/build/windows/*.sln
skia/viewer/build/windows/*.vcxproj
diff --git a/skia/viewer/build/windows/README.md b/skia/viewer/build/windows/README.md
new file mode 100644
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@@ -0,0 +1,20 @@
+# Rive Windows Viewer
+
+Main entry is [build.bat](build.bat).
+Requirements:
+
+- Git
+ [Download and install](https://git-scm.com/download/win)
+- CMake
+ - [Download and install](https://cmake.org/download/).
+- Python
+
+ - Get [Python 3](https://www.python.org/downloads/). You may need to symlink python3 to python. Make sure to do the custom install and check "install for all users."
+ ```
+ mklink "C:\Program Files\Python310\python3.exe" "C:\Program Files\Python310\python.exe"
+ ```
+
+- Visual Studio 2022 Community Edition
+ - Add clang tools
+ - You may need to patch up the scripts if you have a different version.
+- Install Google's [Depot Tools](https://commondatastorage.googleapis.com/chrome-infra-docs/flat/depot_tools/docs/html/depot_tools_tutorial.html#_setting_up) to build Skia.
