按“Enter”键，打开方法如下：
一、在LOL游戏界面，按“Enter”键打开聊天界面，输入“/all消息内容”即可实现对当前所有人发送消息。
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二、如果无法成功向所有人发送消息，则提示“跨队聊天已被禁用，可以在更多选项中激活跨队聊天”。
/iknow-pic.cdn.bcebos.com/024f78f0f736afc3a482066cbc19ebc4b7451228target=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/024f78f0f736afc3a482066cbc19ebc4b7451228?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/024f78f0f736afc3a482066cbc19ebc4b7451228/>
三、此时按键盘上的“ESC”键，或点击小地图上的“选项”按钮打开“选项”窗口。如图：
/iknow-pic.cdn.bcebos.com/3b292df5e0fe9925c2dd50593ba85edf8cb171e1target=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/3b292df5e0fe9925c2dd50593ba85edf8cb171e1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/3b292df5e0fe9925c2dd50593ba85edf8cb171e1/>
四、在打开的“选项”窗口中，勾选“聊天”栏目中的“显示【所有人】频道的聊天信息（匹配对局）”项，并点击“确定”按钮。
/iknow-pic.cdn.bcebos.com/0ff41bd5ad6eddc4ed188df236dbb6fd5266333ftarget=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/0ff41bd5ad6eddc4ed188df236dbb6fd5266333f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/0ff41bd5ad6eddc4ed188df236dbb6fd5266333f/>
五、然后向所有人发送消息，以格式“/all消息内容”的形式，待消息发送成功后，将显示“【所有人】”的前缀标识，如图所示，表示向所有人发送消息成功。
/iknow-pic.cdn.bcebos.com/810a19d8bc3eb135a04e8eb2a91ea8d3fd1f4429target=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/810a19d8bc3eb135a04e8eb2a91ea8d3fd1f4429?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/810a19d8bc3eb135a04e8eb2a91ea8d3fd1f4429/>
