diff --git a/configuration-b85.nix b/configuration.nix
similarity index 96%
rename from configuration-b85.nix
rename to configuration.nix
index 6fb4a69..7882395 100644
--- a/configuration-b85.nix
+++ b/configuration.nix
@@ -13,7 +13,7 @@
     vscode
     bluez
     vlc
-    #obs-studio
+    obs-studio
 
 
     wget
@@ -44,6 +44,11 @@
   programs.clash-verge.enable=true;
   programs.clash-verge.tunMode=true;
   programs.clash-verge.autoStart=true;
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true;
+    dedicatedServer.openFirewall = true;
+  };
   environment.shellAliases = {
     nrs = ''sudo nixos-rebuild switch --option substituter "https://mirrors.ustc.edu.cn/nix-channels/store"'';
     conf = "sudo vim /etc/nixos/configuration.nix";