Update README.md

README.md

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 # com.oculus.unity.integration.vr
-Unofficial mirror of the Oculus Unity-Integration VR as a package.
 
-Copyright (c) Meta Platform Technologies, LLC and its affiliates. All rights reserved;
+[![openupm](https://img.shields.io/npm/v/com.oculus.unity.integration.vr?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.oculus.unity.integration.vr/)
+
+Unofficial part of [Oculus Unity Integration](https://developer.oculus.com/downloads/package/unity-integration/) as a package for [Unity](https://unity.com/).
+
+## Installing
+
+### Via Unity Package Manager and OpenUPM
+
+- In Unity open `Edit` -> `Project Settings...`
+- Select the `Package Manager`
+![scoped-registries](https://raw.githubusercontent.com/Trisgram/com.oculus.unity.integration/main/.documentation/images/openUPM.jpg)
+- Add the OpenUPM package registry:
+  - `Name`: `OpenUPM`
+  - `URL`: `https://package.openupm.com`
+  - `Scope(s):`
+    - `com.oculus`
+- Apply
+- Open `Window` -> `Unity Package Manager`
+- Change the Registry from Unity to `My Registries`
+- Add the `Oculus Integration VR` package
+
+### Via Unity Package Manager and Git url
+- Open `Window` -> `Unity Package Manager`
+- Add package from git url...
+- type/paste in: `https://github.com/Trisgram/com.oculus.unity.integration.vr.git`
+
+## License
+
+Copyright (c) Meta Platform Technologies, LLC and its affiliates. All rights reserved;
+
+***All copyrights, trademarks, logos, and assets are the property of their respective owners.***