How to solve mysql1045 and find the prompt is not an internal command

How to solve this problem Because of this, I started to install it successfully and deleted it by mistake Then download the old password again 1045 Don't know what's going on

---

Take the answer ：

https://blog.csdn.net/qq_37915248/article/details/83005946
In this link 1045 Solutions for .
It is not an internal command but an environment variable. There is no configuration
This link is followed by the configuration method of environment variables
https://blog.csdn.net/qq_57421630/article/details/119345911?utm_source=app&app_version=5.0.1&code=app_1562916241&uLinkId=usr1mkqgl919blen

---