Official versions are generally safe, but "cracked" or third-party RePacks should be downloaded from reputable sources to avoid malware.
Choosing a "Portable RePack" version over the standard installer offers several advantages for power users: YouTube By Click Premium 2.2.95 Portable RePack
You can run the program directly from an executable file without altering your system registry or leaving behind temporary files. Official versions are generally safe, but "cracked" or
You can download entire YouTube playlists or all videos from a specific channel simultaneously. Official versions are generally safe
Most RePack versions come pre-activated, meaning the "Premium" features are unlocked immediately upon launching the app. How to Use YouTube By Click