diff --git a/Installer/ViveOpenXRInstaller.unitypackage b/Installer/ViveOpenXRInstaller.unitypackage
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38875d71547302b8ad5941d705576e699bff357b9aa9544ff55880bedc50aa02
+size 1978
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
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-# VIVE-OpenXR-PC
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+# VIVE OpenXR Plugin - Windows
+The "VIVE OpenXR Plugin - Windows" plugin package contains some OpenXR Unity features for developers to use.
+## How to install:
+### 1. Download the unitypackage from the github.
+https://github.com/ViveSoftware/VIVE-OpenXR-PC/blob/master/Installer/ViveOpenXRInstaller.unitypackage
+### 2. Import the unitypackage file in the Unity editor.
+### 3. Select the menu on the Unity UI "VIVE/OpenXR_PC Installer", press "Install or Update latest version".
+
+Note: For "Install specific version", please copy the release version from https://github.com/ViveSoftware/VIVE-OpenXR-PC/releases,
+then paste the version(for example: "1.0.12") to install the specific version.
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