diff --git a/README.md b/README.md
index 2e8d573..6d7aada 100644
--- a/README.md
+++ b/README.md
@@ -432,7 +432,13 @@ Note: Replace `15` with your Postgres server version
 
 ### Windows
 
-Support for Windows is currently experimental. Use `nmake` to build:
+Support for Windows is currently experimental. Ensure [C++ support in Visual Studio](https://learn.microsoft.com/en-us/cpp/build/building-on-the-command-line?view=msvc-170#download-and-install-the-tools) is installed, and run (update the path as needed):
+
+```cmd
+call "C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvars64.bat"
+```
+
+Then use `nmake` to build:
 
 ```cmd
 set "PGROOT=C:\Program Files\PostgreSQL\15"