How SQL Server manually sets the automatic growth of the ID value (primary key)

Recently, I have used the operation of SQL Server database to do something. Well, really long time did not see, to this database is unfamiliar to the pole, even the simplest how to set an ID primary key, let it with the insertion of data, automatic growth ID value settings are forgotten, online check a bit, many people say the use of code, like I want to be different, and then Baidu know found the answer, Although a little embarrassed, but still stick it out:

Q: How do I manually set the SQL Server ID (primary key) so that it grows automatically as the data is inserted?

A: Click on the table you want to set, right-click-Design--In the column, click below the id--appears below the figure:

Self-increment definition:

Then click OK to!!!!!!!

How SQL Server manually sets the automatic growth of the ID value (primary key)