diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..7cc1dc82
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,5 @@
+Creative Commons Attribution 4.0 International (CC BY 4.0)
+
+This work is licensed under the Creative Commons Attribution 4.0 International License.
+To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/
+or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.
diff --git a/README.md b/README.md
index 47071974..3b00c1ab 100644
--- a/README.md
+++ b/README.md
@@ -88,3 +88,9 @@ bundle exec jekyll serve -l
 ```
 
 The site will be available at `http://localhost:4000`
+
+## License
+
+Except where otherwise noted, the content on fsharp.org is licensed under the [Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)](https://creativecommons.org/licenses/by/4.0/) license.
+
+Copyright © 2012-2025 F# contributors.