Just a hint: Winject is Injector, It's only a name.
1-Download Winject Click here (Direct download)
2- Open the WinRar / ZIP File you downloaded (Winject)
3- Extract Winject.exe to your Desktop or anywhere
4- Run Winject.exe as administrator If you're Windows Vista / 7 / 8 user (This part is important)
5- You will find this part in the Injector (Winject):
Click on "..." button (In DLL to Inject part)
6- Browse the Dll you want to inject
7- Open your game
8- Click on this and choose the process(In Tracking... Part) (I used notepad as a example)
(Scroll down to find your process/game)
9- Finally, Click "Inject" Button and you're done
There is no effect in-game after injecting the dll?
Follow those steps: