Check the App Store and search for TikTok
Tap the download icon if it is available
Sign in with your Apple ID if prompted
Restore your iPhone from an iCloud or computer backup if TikTok was previously installed
Update your iPhone to the latest iOS version
Change your App Store region if TikTok is unavailable in your country
Use a different Apple ID set to a region where TikTok is available
Reinstall TikTok from the App Store if you deleted it
Check Screen Time restrictions and allow app downloads
Restart your iPhone and try again
Contact Apple Support if the app still does not appear