diff --git a/.gitignore b/.gitignore
index 863657b..60bcf98 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ obj/
 .vs/
 artifacts/
 test/WasmComponentSdkTest/testapps/OciWit/wit
+.DS_Store
diff --git a/README.md b/README.md
index 53f96cf..30286e4 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,19 @@ If you don't already have it, install [.NET 8+ SDK](https://dotnet.microsoft.com
 
 * `dotnet new console -o MyApp`
 * `cd MyApp`
+
+Create a `nuget.config` file and add the `dotnet-experimental` package source for the `NativeAOT-LLVM` dependency:
+
+* `dotnet new nugetconfig`
+* Add these keys to `nuget.config` after `<clear />`:
+
+```xml
+    <add key="dotnet-experimental" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-experimental/nuget/v3/index.json" />
+    <add key="nuget" value="https://api.nuget.org/v3/index.json" />
+```
+
+Add the `componentize-dotnet` package:
+
 * `dotnet add package BytecodeAlliance.Componentize.DotNet.Wasm.SDK --prerelease`
 
 ### 3. Configure the compilation output