You can Download Counter-Strike 1.6 for windows 10 OS.
Full Counter strike 1.6 installation package which is compatible with windows 10.

– 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
– Compatible Windows XP/7/8/8.1/10

COUNTER-STRIKE 1.6 DOWNLOAD