: Double-click the downloaded file to initialize the installation interface.
: Security vulnerabilities remain unpatched without official updates. Best Practices
Click to unlock unlimited daily downloads, simultaneous threads, and channel subscriptions.
: The "x64" designation means the installer is compiled specifically for 64-bit operating systems (such as Windows 10 and Windows 11), allowing the software to utilize more system memory and process high-resolution downloads more efficiently.
Ensure you are copying the correct key and pasting it without spaces. Make sure you are using a key specifically for Plus , not the older version. If problems persist, contact official support at support@4kdownload.com.
The x64 (64-bit) installer is optimized for modern Windows 10 and 11 environments. It provides better memory management and faster processing speeds when handling heavy 4K and 8K video files compared to older 32-bit architecture. 4K Video Downloader Plus - Download and install on Windows
While the previous standard version could only log into YouTube, the Plus variant allows in-app logins for platforms like . It can download videos up to 8K quality , supports 3D and 360-degree content, and even allows you to download the original audio track.
Before starting, please ensure:
The Plus version has a new codebase, a sleek redesigned interface, an in-app browser for logging into sites like Bilibili and Facebook, and the ability to download higher resolutions and private content.
is a desktop application designed to download high-resolution video and audio from platforms like YouTube , TikTok , Vimeo , and Facebook . This specific version replaces the older "4K Video Downloader" which was officially discontinued in early 2026. Key Features of 4K Video Downloader Plus