所需工具：无。
1、进入steam页面后，如图红线处所示，选择相关组。
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2、如图红框所示，加入求生之路2的组。
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3、这样就加入了。
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4、退回steam主页面，如图红线处所示，点开始。
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5、进入游戏后，先点蓝色线处的“完成战役”，再选红线处的“联机游戏”。
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6、这样你和你的队友就可加入同一房间进行游戏了，选好之后，如图红线所示，点“加入游戏”就可玩游戏了。
/iknow-pic.cdn.bcebos.com/d000baa1cd11728b12eddae1c6fcc3cec2fd2c34"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d000baa1cd11728b12eddae1c6fcc3cec2fd2c34?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/d000baa1cd11728b12eddae1c6fcc3cec2fd2c34"/>
