Bolide Movie Creator is a video editing software for Windows. It works with almost any input audio/video/photo format and can save the final video to AVI, MKV, WMV, MP4, or GIF file with up to UltraHD resolution.
Just drag and drop your media files to the timeline, add effects and save the project as a video file. Supports h264 harware acceleration on AMD, NVidia, Intel GPUs. Powerful video editor, while still friendly to beginners. Definitely worth a try.