How to reset system administrator (sa) password in Microsoft SQL Server

Before everythting make sure of three options to be selected inside Windows Authentication mode specifically in Server name and Logins (sa) properties:-
1- Go to Server Name and right click on it, choose properties then Security...in "Server authentication" select SQL Server and Windows Authentication mode then press ok.
2- Go to Security then Logins and right click on sa then choose properties and left click on Status, in "Permission to connect to database engine" select Grant. In "Login" select Enabled and press ok.
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Forgot your sa password? don't worry just follow the main steps now :-
1- Open Windows Authentication and not SQL Server Authentication.
2- Go to Security and then Logins.
3- Go to sa then right click on it and choose Properties then General.
4- Put your new password twice, in Password field and Confirm password field then press ok.
5- Close server connection and open it again, choose SQL Server Authentication and put for Login sa and for Password your new password.

I hope you enjoy watching the video :)