How to back up the configuration before the idea when reinstalling the idea

When reloading idea When , Before idea The installed plug-ins and font styles are recorded in the following files , So unload idea Back up this file before , Then put it in the following directory . When rewriting the installation idea When , start-up idea when , We choose the previous project （Previous version） Choose default , If it needs to be modified 【Config or installation folder】, Otherwise, do not import 【Do not import settings】