To install the free TikTok for Business app from the VTEX App Store, follow the steps below:

1. In the VTEX App Store, go to the TikTok for Business page.
2. Click Get app.
3. Under Type your account, type the name of your VTEX account.
4. Click Confirm.
5. In your cart in the VTEX App Store, click on Place order.
6. Click Go to the install page.
7. In the VTEX Admin, click Install.

Once the installation is completed, the app settings will be available in the VTEX Admin under Marketplace > TikTok. For some versions of the VTEX Admin, you can access the page in Apps > My apps > TikTok.