TalkHelper Video Converter is the ultimate 4K video converter software that provides a hassle-free process. Follow this guide to convert any video file into 4K; Step 1: Download, install and launch TalkHelper Video Converter. Step 2: Import a video file using the “Add Media” menu > “Add Video File…”. Step 3: Expand the “Output” menu > “Popular” and pick a format like MP4. Step 4: Select the “4K Ultra HD” sub-format and click “Start Convert”.