There are three ways you can link a TikTok account with your current TikTok For Business account.
TikTok For Business log in page
TikTok For Business User Settings page
TikTok Ads Manager's Ad Creation page
Before you link an existing TikTok for Business Account with a TikTok Account, learn more about:
To link an existing TikTok For Business Account with a TikTok Account from the log in page, user setting page, and ad creation page:
From the log in page:
Go to the TikTok For Business Log in page.
Click Log in with TikTok.
Sign in to your TikTok account or create a new one.
Click Authorize.
Select Link with an existing TikTok For Business account.
Enter your TikTok For Business log-in credentials.
Click Confirm.
From the user settings page:
Sign in to your TikTok Ads Manager.
Click the profile icon.
Click User settings.
Select the Personal Info tab.
Click Link TikTok account under Profile.
Either log in to your TikTok account or sign up for a TikTok account.
Note: If you receive a notification that you are "Unable to link" because the "TikTok account is already linked to another account," click Log Out and try linking a different TikTok account.
Click Authorize to give TikTok For Business access to your TikTok account.
Once the accounts are linked, the name of the linked TikTok account will appear on the TikTok Account field on the User Settings page.
From the ad creation page:
Sign in to your TikTok Ads Manager.
Click the Campaign tab.
Click Create.
Select your Campaign and Ad group settings.
Click Next.
Toggle on Use TikTok account to deliver Spark Ads, in the Ad tab.
Click Connect account.
Log in to your TikTok account or sign up for a TikTok account.
Continue to follow the prompts to link accounts.
When you link a TikTok account to an existing TikTok For Business account, you will be able to use your TikTok and your TikTok For Business log-in credential to access TikTok For Business.
Learn how to unlink a TikTok Account from an Existing TikTok for Business Account.