Firstly, please download GiliSoft Screen Recorder from here:
http://www.idooeditor.com/guide-editing-video-cutter.htm
1. When you are running a full screen game, please do as the following steps:
2. If you are running a windows game,please do as the following steps :
Please select the correct audio device in the "Audio" drop-down menu. You can the adjust the recording volume of device you want to record. If you want to record both microphone and game sounds, please select the "Computer sounds and microphone".
You can enable or disable capturing the mouse cursor in "Settings", just go the the "Cursor", and select or deselect the "Embed mouse cursur in recording".
The default hotkey is showing as follows, you can change the hotkeys according to your own needs.