need to save account session with selenium web driver java

I have a selenium program that works with a web page. the problem is that login is done and when selenium is closed the session disappears, that is, if I re-enter with selenium , the session is not open. I need selenium to save the session, that is, not delete it. If this cannot be done directly, you will have to save the session via code and load the session later (when it is reopened).