所需工具：無。
1、進入steam頁面後，如圖紅線處所示，選擇相關組。
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2、如圖紅框所示，加入求生之路2的組。
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3、這樣就加入了。
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4、退回steam主頁面，如圖紅線處所示，點開始。
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5、進入遊戲後，先點藍色線處的“完成戰役”，再選紅線處的“聯機遊戲”。
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6、這樣妳和妳的隊友就可加入同壹房間進行遊戲了，選好之後，如圖紅線所示，點“加入遊戲”就可玩遊戲了。
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