1. First download the hack like this one http://www.mpgh.net/forum/164-combat...s-hack-v4.html
Then download an injector which injects the hack into combat arms like this one http://www.mpgh.net/forum/164-combat...le-inject.html.
2. After download, you need to extract them using a program called winrar, simply right click the file and click extract here. Download winrar here WinRAR archiver, a powerful tool to process RAR and ZIP files.
3. The hack should be a dll file and the injector should be a exe file.
4. Double click the injector and it should open.
5. The "process" textbox should be engine.exe.
6. Rename the hack to Simple Inject.dll.
7. It should automatically inject.
8. Open combat arms and you should be done.