帮翻译成英语：安装前请先卸载已有安装！卸载方法：软件安装包里面有卸载程序 _uninst.exe

Before installation, please unload the installed program first ! Uninstall methods: there are uninstall program _uninst. exe in the software installation package

Please uninstall the previous edition before install! How to uninstall: there is uninstall program _uninst.exe included in the software installation pack

please uninstall the program first before installation. unstall method: the unstall program _uninst.exe is in the installation package.

please uninstall the installed application. Way of unstalling: uninstalling programme contianed in the software installing package.

Install the software after the previous version is uninstalled.
To uninstall: use the uninstall program in Software Installation Package_uninstall exe.