Download the TikTok App onto your smartphone from the Google Play Store or Apple App Store.
Tap on the "Record" button.
Tap on the "Pick a Sound" button.
Tap on the "Challenge" button.
Select your preferred Big Mac Chant song.
Dance and record the Big Mac Chant video.
Publish your entry on TikTok with the hashtag #bigmactiktok.
Make sure your TikTok video is set to Public.
Share your Big Mac Chant video on Facebook or Instagram. Make sure your account is set to "PUBLIC".
Copy the link of your TikTok video from your TikTok App, Facebook or Instagram.
Open the McDonald's app.
Tap on Big Mac TikTok Challenge.
Tap on Submit Entry.
Paste your TikTok video link here.