diff --git a/README.md b/README.md
index 1f81be123..ec1fbc8da 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,8 @@ You can also checkout [The Merchants Guide to accepting Bitcoin directly with no
 
 While the documentation advise using docker-compose, you may want to build yourself outside of development purpose.
 
+First install .NET Core SDK as specified by [Microsoft website](https://www.microsoft.com/net/download).
+
 On Powershell:
 ```
 .\build.ps1