Hello!
There are many resources available online where you can download free sound effects for your program. Here are a few websites you might find helpful:
1. Freesound.org - This is a user-generated collection of free sounds, including sound effects. You can browse the library for sounds using keywords, or create a free account to upload and share your own recordings.
2. SoundBible.com - This site also offers a wide range of free sound effects, including sounds for introductions, transitions, and more. The sounds are organized by category, making it easy to find what you need.
3. ZapSplat.com - ZapSplat has a massive library of free sound effects, with a focus on high-quality recordings. You can browse by category or search for specific sounds using keywords.
All of these websites offer sounds in various formats, including WAV, MP3, and more. Check the documentation for Virtual DJ to see which formats are compatible.
Once you have downloaded the sound effects, you can import them into Virtual DJ and assign them to different buttons or hotkeys for easy access during your event.
Good luck and have fun!