mysql安装

MySQL 8.0.19安装教程(windows 64位)

参考链接：https://blog.csdn.net/qq_37350706/article/details/81707862

navicat15激活

https://www.rjsos.com/archives/navicatpremium15win.html

注册机位置 F:\user\ACui\Downloads\Navicat Premium 15注册机