2022-02-23T06:52:16.906687Z 0 [Warning] [MY-010918] [Server] 'default_authentication_plugin' is deprecated and will be removed in a future release. Please use authentication_policy instead.
2022-02-23T06:52:16.906700Z 0 [System] [MY-013169] [Server] D:\software\MySQL\mysql-8.0.28-winx64\bin\mysqld.exe (mysqld 8.0.28) initializing of server in progress as process 3968
2022-02-23T06:52:16.908764Z 0 [ERROR] [MY-010457] [Server] --initialize specified but the data directory has files in it. Aborting.
2022-02-23T06:52:16.908780Z 0 [ERROR] [MY-013236] [Server] The designated data directory D:\software\MySQL\mysql-8.0.28-winx64\data\ is unusable. You can remove all files that the server added to it.
2022-02-23T06:52:16.910455Z 0 [ERROR] [MY-010119] [Server] Aborting
2022-02-23T06:52:16.910650Z 0 [System] [MY-010910] [Server] D:\software\MySQL\mysql-8.0.28-winx64\bin\mysqld.exe: Shutdown complete (mysqld 8.0.28) MySQL Community Server - GPL.
1、在控制面板中删除mysql
2、删除MySQL文件夹下的my.ini文件；
3、打开注册表，删除相关信息；
4、删除c盘的MySQL文件夹。
试试把 这个目录里的文件全部删掉，
D:\software\MySQL\mysql-8.0.28-winx64\data\
看看能否初始化