How to install Counter-Strike 1.6
First of all you need to download non steam copy of the game directly or using torrent file. If you don't know how to download CS 1.6 you need to read article "Counter Strike 1.6 download". In this article you will find all instructions for CS 1.6 download and installation.
When you download the game setup file you must run it by double clicking it.
When "Security alert" appears just click "Yes" or "Run" button and setup file will run after one moment.
After you will click one of these buttons you will see window like this one:
Now just click "Next" button and choose installation directory.
You can use default installation directory or change it if you need.
When you will finish this step click "Next" button again.
Now click "Start" button and wait when installation bar will be completed.
Installation will take only ~3-15 minutes (it will take about 15 minutes only if your PC is old and slow), after installation finish you will see last CS 1.6 setup window, when you will see it just click finish button and run Counter-Strike 1.6 game by double-click on shortcut which is in your desktop.