diff --git a/README.md b/README.md
index 8cb6ec0..dbc74c3 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,13 @@ Want a dark version? [Try this!](https://github.com/Jack-Myth/Threshold-Miku/tre
 2. In Steam, go to Settings > Interface > and choose Threshold Miku from the list of skins.
 
 3. Restart Steam and enjoy!
+
+# Introduce the Threshold Miku Light For SteamUI
+![](Previews/SteamNewLibrary.jpg)
+It's an experimental version,and the SteamUI may have big changes in future,so if you meet any bugs,or have any advice,please post them on [the Issues Page](https://github.com/Jack-Myth/Threshold-Miku/issues)
+# Installation
+0. First I assuming you have already enabled the Steam New Library(SteamUI). If not, you can find the way to enable it at: [Reddit](https://www.reddit.com/r/Steam/comments/bymgzm/heres_how_you_get_the_new_steam_library_to_work/).
+2. Make a folder named "skins" at Steam/steamui/
+3. Download Threshold Miku Light at [the Releases Page](https://github.com/Jack-Myth/Threshold-Miku/releases), extract the folder to the folder we created at last step.
+4. Open Steam/steaui/index.html,Add ***\<link href="skins/Threshold Miku/main.css" rel="stylesheet"\>*** before the "</head>"
+5. Save the file, you will meet a new steam.