1、首先是更新步骤、如下图所示



2、下载链接地址:https://support.industry.siemens.com/cs/document/109740201/where-do-you-procure-the-current-trial-software-for-the-products-in-the-tia-portal-step-7-v14-wincc-v14-and-startdrive-v14-including-the-respective-sp1-?dti=0&lc=en-WW