Ok! here is install tutorial:
Press next to install Bonus Map Mod use installer dont zip:
Select I agree with the above terms and conditions and press next:
This is hardest. Click Select Half-Life 2 Folder and then hl2 folder like this
Half-LIfe 2/hl2. Press next to start the install
Then its start the install and something like 2-5 seconds:
-Brizon