Hi LiridonHalili,
Could you answer few questions:
1. What happens when you try to play the game?
2. Do you get any error message?
3. Have you already installed the game or trying to install it?
It looks like Counter strike 1.6 is not compatible with windows 8. You can go through the link for your reference.
http://www.microsoft.com/en-us/windows/compatibility/win8/CompatCenter/ProductViewerWithDefaultFilters?TempOsid=win8&Locale=en-us&TextSearch=counter%2Bstrike&Type=Both&CurrentPage=0&TotalPages=1&ShowCriteria=0&SortCriteria=Relevance&Compatibility=Unknown&LastRequested=14
I would suggest you to uninstall the game and then install it in Windows 7 compatibility mode.
Step 1:
Follow these steps to uninstall the game.
a. Press Windows key + X and select
Control panel.
b. Select Uninstall a program
c. Select Counter Strike 1.6 from the list and select
Uninstall.
Step 2:
Follow the steps to install in Compatibility mode:
a. Right click the set up file and select
Properties then tap or click the Compatibility tab.
b. Place a check in the Run this program in compatibility mode box.
c. Tap or click the drop down box and select a
previous Operating System, then tap or click OK.
Reference:
Make older programs compatible with this version of Windows
http://windows.microsoft.com/en-US/windows-8/older-programs-compatible-version-windows
Do let us know if you have any further queries.