The steaminstall_halflife.exe file you have requested: Official Patches / Steam / Steam Installer - Half-Life [Win32] - 211.57mb is not available. Perhaps try browsing all files for the game Half-Life and upload any files you want to share or are missing. This is the only information we could locate:
This installer includes the updates to the Steam cache for standard Half-Life. It does not include Counter-Strike, Day of Defeat, or other modifications of Half-Life.