How do you practice in counter strike 1.6

You play alot you can start off with bots by bringing down the consol with this button right under the ESC (`) press that it will bring down the consol. If not check the menu options in advanced you should be able to turn on the consol button. Then you can type in add_bot and choose a side, but best way to do it is to play online with other good players and learn from them make friends.