diff --git a/run_docs.ps1 b/run_docs.ps1
new file mode 100644
index 0000000..cba5c1f
--- /dev/null
+++ b/run_docs.ps1
@@ -0,0 +1,10 @@
+## Once
+# dotnet tool install -g docfx      // install this tool once.
+# docfx init -y                     // already done and configured once.
+
+## Each time
+Remove-Item .\api -Recurse
+Remove-Item .\_site\. -Recurse
+docfx metadata
+docfx build .\docfx.json 
+docfx serve _site
\ No newline at end of file