diff --git a/README.md b/README.md
index c027e1d..a73f790 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,16 @@ npm run tauri build   # release bundles (deb/AppImage on Linux, NSIS/MSI on Wind
 Windows builds are produced by the CI workflow in `.github/workflows/build.yml`
 (GitHub Actions / Gitea Actions with a Windows runner), or locally from Linux
 with [cargo-xwin](https://github.com/rust-cross/cargo-xwin):
-`npm run tauri build -- --runner cargo-xwin --target x86_64-pc-windows-msvc`.
+
+```sh
+rustup target add x86_64-pc-windows-msvc
+sudo apt-get install clang lld llvm nsis   # llvm provides llvm-rc, needed for resource embedding
+npm run tauri build -- --runner cargo-xwin --target x86_64-pc-windows-msvc
+```
+
+The exe and NSIS installer land in
+`src-tauri/target/x86_64-pc-windows-msvc/release/` (first run downloads the
+Windows SDK to `~/.cache/cargo-xwin`).
 
 ## Data