UC安装flash插件方法如下：
1、打的UC浏览器，找到主菜单，点击进入，如图：
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https://iknow-pic.cdn.bcebos.com/314e251f95cad1c8239be174723e6709c93d5144"/>
2、点击上图中的设置，进入后找到高级设置，如图：
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https://iknow-pic.cdn.bcebos.com/6a600c338744ebf80ccb796cd4f9d72a6059a72e"/>
3、进入高级设置，找到插件，如图：
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https://iknow-pic.cdn.bcebos.com/7acb0a46f21fbe097b1ade4766600c338744ad18"/>
4、进入后如图，点击+号。
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https://iknow-pic.cdn.bcebos.com/08f790529822720e065fffa976cb0a46f31fabcb"/>
5、进入后如图，下拉找到flash，点击安装即可。注意：由于flash官方已经停止维护，目前国内大部分浏览器，也不再支持。
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https://iknow-pic.cdn.bcebos.com/d833c895d143ad4b67075a938f025aafa40f06b3"/>