Record screen on Windows 10

To record a video, just hit the Windows Key + G on your PC when any window is open and the Game DVR menu should pop-up. After that, click on the checkbox “This is a game” and you’ll be navigated to the simple interface where you can capture a screenshot and record your screen. Just hit the red record icon and it’ll start recording your screen.

reference: How to record your screen using the built-in screen recorder on Windows 10

Alternatively, Open Broadcaster Software is free and open source software for video recording and live streaming. Supported features include:

• Encoding using H264 (x264) and AAC.
• Support for Intel Quick Sync Video (QSV) and NVENC.
• Unlimited number of scenes and sources.
• Live RTMP streaming to Twitch, YouTube, DailyMotion, Hitbox and more.
• File output to MP4 or FLV.
• GPU-based game capture for high performance game streaming.
• DirectShow capture device support (webcams, capture cards, etc).
• Windows 8 high speed monitor capture support.
• Bilinear or lanczos3 resampling.