There you can Download Counter-Strike 1.6  Windows 8 or windows 8.1.
Full CS 1.6 installation package which is compatible with windows 8 and windows 8.1 download.

– Latest release of the game, V43, Build 4554.
– Using latest protocol 48
– Using REVOLUTiON Emulator 9.81
– Sv_lan 0 enforce fixed
– Added option to launch listen server in LAN mode
– Included Bots in this release
– Half-Life maps are totally removed
– HLTV included and works
– Windows XP/7/8/8.1/10

COUNTER-STRIKE 1.6 DOWNLOAD