diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e59d390
--- /dev/null
+++ b/README.md
@@ -0,0 +1,10 @@
+# RepoFullDownloader-Core
+Cross-Platform Cydia/Installer 4 repo downloader
+
+## Requirements
+.NET Core 3.1 or later  
+An internet connection.
+
+## Command Line Options
+`dotnet RepoFullDownloader-Core.dll <url>`  
+Running with no URL will use the repo list from `options.json`