Based on this official Aiseesoft purchase page , the software is offered through subscription plans (monthly or lifetime/perpetual) for a single PC.

Converts 1,000+ formats, including 4K to 1080p and HD to HD.

Aiseesoft Video Converter Ultimate is a powerful, all-in-one software designed to convert, edit, and enhance video and audio files. It supports over 1,000 formats—including MP4, MOV, AVI, and MKV—and allows for batch processing at high speeds. Key features include 4K/5K/8K resolution support, AI-powered video enhancement, noise removal, and various editing tools like trimming, rotating, and cropping.

Enables trimming, rotating, merging, watermarking, and enhancing video quality.