iOS系统需要在手机的AppStore应用中安装软件。
以iPhone7手机iOS12系统为例，安装软件方法如下：
1、打开手机桌面，然后点击点击桌面上的“AppStore”应用软件，如下图所示。
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2、打开AppStore之后点击主页的“搜索”选项，如下图所示。
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3、在搜索框输入需要下载的软件的名字，搜索出来之后点击“获取”。
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4、然后输入AppleID的密码，等待自动下载安装完成即可。
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