Set download/extract button as default

Once I paste the link, the software will analyse the video (which often takes too long, by the way). Once it is done, the download/extraction options window is open. Now, most computer softwares leave the main "OK" button as the default option, so that the user can press "Enter" and it is done. On 4K Downloader, however, pressing the "Enter" key right after the analylsis actually cancels the download/extraction. I love your software and having this feature applied would be more than awesome.