diff --git a/System-configuration.md b/System-configuration.md
index ab27b2b..d676442 100644
--- a/System-configuration.md
+++ b/System-configuration.md
@@ -124,6 +124,8 @@ cmake -G "Visual Studio 14 2015"
   * rmt_curl
   * fix8.dependencies.zmq
 * Build ALL_BUILD target
+* Download ([here](http://curl.haxx.se/ca/cacert.pem)) and copy certificate bundle for libcurl to working directory
+* Rename downloaded certificate bundle to curl-ca-bundle.crt
 * Run tests or whole worker with suitable programs
 
 ## WebApp