| Feature | Description | |---------|-------------| | | User selects between "Preview" and "High Quality" (original) | | Download4U branding | Distinct visual style for premium feel | | Async download | Non-blocking, shows status | | Server-side control | Tokenized URLs, expiry, file validation | | High quality emphasis | Clear file size difference & "🔥" indicator |

Never browse download directories without a trusted, updated antivirus program running in the real time. Pair this with a reputable ad-blocker (like uBlock Origin) to eliminate deceptive download buttons and malicious pop-ups. Step 2: Verify File Extensions