diff --git a/README.md b/README.md
index 157ed40..80bc78a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 1. put run_gst_loopthrough_capture.bat in the folder, where the binary is located. 
 2. install changed Gstreamer from DriveCast and run the run_ndi_start_testvideosrc_ball to test.
+3. open cmd, and run `activate-env.cmd` from Gstreamer, then run `mkdir build && cd build`, and finally `cmake -D_CMAKE_TOOLCHAIN_FILE=XXX ..",
+where XXX is a path to VCPKG, example: C:/Users/ivan/Source/Repos/ORB_SLAM3/Thirdparty/Pangolin/vcpkg/scripts/buildsystems/vcpkg.cmake