To download files from VK (Vkontakte) with "one click," you typically need a browser extension or a specialized web service. Official VK apps do not support direct "one-click" downloading of media like music or video for offline use outside the app.
Browser extensions are the most common way to add a "Download" button directly to the VK interface: skachat faily s vk odnim klikom
Download VK videos in HD quality. Save videos, music & photos from VK with one click. Fast, secure & free VK media downloader. Chrome Web Store Скачать VkOpt. Страница загрузки To download files from VK (Vkontakte) with "one