https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.25-winx64.zip

####################配置文件开始###################

 [client]

 default-character-set=utf8

 [mysqld]

 port=

 basedir  ="c:\cwdata\mysql-5.7.25-winx64/"

 datadir  ="c:\cwdata\mysql-5.7.25-winx64/data/"

 tmpdir   ="c:\cwdata\mysql-5.7.25-winx64/data/"

 socket   ="c:\cwdata\mysql-5.7.25-winx64/data/mysql.sock"

 log-error="c:\cwdata\mysql-5.7.25-winx64/data/mysql_error.log"

 #server_id =

 #skip-locking

 max_connections=

 table_open_cache=

 query_cache_size=1M

 tmp_table_size=32M

 thread_cache_size=

 innodb_data_home_dir="c:\cwdata\mysql-5.7.25-winx64/data/"

 innodb_flush_log_at_trx_commit =

 innodb_log_buffer_size=128M

 innodb_buffer_pool_size=128M

 innodb_log_file_size=10M

 innodb_thread_concurrency=

 innodb-autoextend-increment=

 join_buffer_size = 128M

 sort_buffer_size = 32M

 read_rnd_buffer_size = 32M

 max_allowed_packet = 32M

 explicit_defaults_for_timestamp=true

 sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"

 #sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

#skip-grant-tables

####################配置文件结束###################

mysqld --install

mysqld --initialize

net start mysql

update MySQL.user set authentication_string=password('Test6530') where user='root' ;

alter user 'root'@'localhost' identified by 'Test6530';
据说也可以执行这个命令
set password=password('Test6530');

update user set host='%' where host='localhost';