diff --git a/README.md b/README.md
index 0554636..cd9d254 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,15 @@ Simple OpenGL program to visualize point cloud.
 
 The input data files should be **plain text** files.
 
+screenshot on Linux:
 ![](Screenshot.png)
 
-```
+
+screenshot on Windows 10:
+2,300,000 points(GTX 1650)
+![](Screenshot_2300K.png)
+
+```bash
 USAGE: point_cloud_viewer [OPTIONS] point_cloud 
 
 OPTIONS:
@@ -31,4 +37,4 @@ dependencies:
 - GLFW: window manager
 - imgui: GUI library
 - spdlog: debug log
-- structopt: parse command line arguments
\ No newline at end of file
+- structopt: parse command line arguments
diff --git a/Screenshot_2300K.png b/Screenshot_2300K.png
new file mode 100644
index 0000000..10be91a
Binary files /dev/null and b/Screenshot_2300K.png differ