update readme.

Author: hecomi

README.md

@@ -8,13 +8,28 @@ uWindowCapture
 
 Screenshots
 ------------
+
 <img src="https://raw.githubusercontent.com/wiki/hecomi/uWindowCapture/single-window.gif" width="720" /><br />
 <img src="https://raw.githubusercontent.com/wiki/hecomi/uWindowCapture/window-object.gif" width="720" /><br />
 <img src="https://raw.githubusercontent.com/wiki/hecomi/uWindowCapture/window-manager.gif" width="720" />
 
 
-Installation
-------------
-Please download the latest *uWindowCapture.unitypackage* from the [release page](https://github.com/hecomi/uWindowCapture/releases).
+Install
+-------
+
+- Unity Package
+  - Download the latest .unitypackage from [Release page](https://github.com/hecomi/uWindowCapture/releases).
+- Git URL (UPM)
+  - Add `https://github.com/hecomi/uWindowCapture.git#upm` to Package Manager.
+- Scoped Registry (UPM)
+  - Add a scoped registry to your project.
+    - URL: `https://registry.npmjs.com`
+    - Scope: `com.hecomi`
+  - Install uWindowCapture in Package Manager. 
+
+
+How to use
+----------
 
-Alternatively, add https://github.com/hecomi/uWindowCapture.git#upm to Package Manager.
+Check out the following article (written in Japanese, so please use a translation service).
+- https://tips.hecomi.com/entry/2018/08/26/231618