具体步骤如下：

从官网下载对应的版本。官方网址：mysql服务下载地址

解压到本地。我的路径是：D:\Program Files\mysql-5.7.16-winx64

设置环境变量。

添加一个系统变量。变量名：MYSQL_HOME，变量值是mysql的安装目录，我这里是：D:\Program Files\mysql-5.7.16-winx64

在Path变量中添加的末尾添加 ;%MYSQL_HOME%\bin

在安装目录下新建一个文本文档，并改名为 my.ini，并添加如下内容，保存。

[WinMySQLAdmin]

Server=D:\Program Files\mysql-5.7.16-winx64\bin\mysqld.exe

[mysqld]

basedir=D:\Program Files\mysql-5.7.16-winx64

datadir=D:\Program Files\mysql-5.7.16-winx64\data

port = 3306

server_id = 1

max_connections=1024

log_bin = mysql-bin

explicit_defaults_for_timestamp = TRUE

在安装目录下新建一个文件夹命名为data用来存放数据。

管理员身份进入cmd执x行初始化命令:mysqld --initialize --user=mysql --console

C:\Users\Administrator>mysqld --initialize --user=mysql --console

2016-12-07T07:29:17.384477Z 0 [Warning] InnoDB: New log files created, LSN=45790

2016-12-07T07:29:18.266527Z 0 [Warning] InnoDB: Creating foreign key constraint

system tables.

2016-12-07T07:29:18.648549Z 0 [Warning] No existing UUID has been found, so we a

ssume that this is the first time that this server has been started. Generating

a new UUID: dd3b2bf3-bc4e-11e6-8a79-6c0b8469263a.

2016-12-07T07:29:18.693552Z 0 [Warning] Gtid table is not ready to be used. Tabl

e 'mysql.gtid_executed' cannot be opened.

2016-12-07T07:29:18.727554Z 1 [Note] A temporary password is generated for root@

localhost: x>%B_fO)v1VV

产生一个随机密码，用记事本保存下来：x>%B_fO)v1VV

如果出现了以下警告：

2016-12-07T07:18:13.748519Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see doc

umentation for more details).

检查你的my.ini 中explicit_defaults_for_timestamp = TRUE是否配置正确

2016-12-07T07:18:13.749519Z 0 [ERROR] --initialize specified but the data direct

ory has files in it. Aborting.

这是前面安装失败导致D:\Program Files\mysql-5.7.16-winx64\data下产生了旧数据，将旧数据删掉即可。

输入安装命令：mysqld --install

C:\Users\Administrator>mysqld --install

Service successfully installed.

表示安装成功

输入启动命令：net start MySQL

C:\Users\Administrator>net start MySQL

发生系统错误 2。

系统找不到指定的文件。

解决办法：修改mysql注册表。

开始-->运行-->regedit-->HKEY_LOCAL_MACHINE-->SYSTEM-->CurrentControlSet-->services-->mysql(服务名)-->ImagePath

将ImagePath的路径更改为：

"安装目录\bin\mysqld" --defaults-file="安装目录\my.ini" MySql

我这里是：

"D:\Program Files\mysql-5.7.16-winx64\bin\mysqld" --defaults-file="D:\Program Files\mysql-5.7.16-winx64\my.ini" MySql

更改后 服务成功启动。

>MySql 服务正在启动 .

MySql 服务已经启动成功。

输入进入mysql命令：mysql -u root -p

D:\Program Files\mysql-5.7.16-winx64\bin>mysql -u root -p

Enter password: 这里输入第6步产生的随机密码

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 2

Server version: 5.7.16-log

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

出现了mysql> 表示成功进入到mysql

修改root用户的初始密码：set password for root@localhost = password('要修改的密码');

mysql> set password for root@localhost = password('要修改的密码');

Query OK, 0 rows affected, 1 warning (0.01 sec)

查看mysql数据库：show databases;

mysql> show databases;

+--------------------+

| Database |

+--------------------+

| information_schema |

| mysql |

| performance_schema |

| sys |

+--------------------+

4 rows in set (0.00 sec)