Question: how to get notifications when someone posts a tiktok?
Answer: Step 1: Open TikTok. On the bottom right, tap the profile icon.
Step 2: Now you are on the profile page. ... 
Step 3: Tap on the user that you want to get notification about.
Step 4: Tap the three vertical dots button (…) in the upper-right. ... 
Step 5: Tap Turn on Post Notification to turn on post notifications for this user.