[英]From a batch file how can I check if a program is installed?
I'm writing a batch script that needs to install Microsoft Lync if the user does not already have it installed. 我正在编写一个批处理脚本,如果用户尚未安装它,则需要安装Microsoft Lync。 Then, it will install my custom Lync UI after that.
然后,它将在那之后安装我的自定义Lync UI。 What is the best way to check if Lync is installed considering:
考虑以下因素,检查Lync是否已安装的最佳方法是什么?
检查文件是否存在于程序文件或程序文件中(x86)
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