Hello Bob,
Thank you for reaching out. We appreciate you letting us know your inquiry if the Samsung range comes with an anti-tip bracket and if it needs to install. We understand that this may be essential for you. We're here to help.
As per checking, anti-tip is one of the parts included with your range, and it should be installed to the structure and/or the range at the rear right (or rear left) of the range bottom.
For reference, here's a link to the installation guide containing information, including the anti-tip device and parts included with your range (pages 2-3). Also, installing the device instruction be found on pages 10-12.
https://downloadcenter.samsung.com/content/EM/202011/20201113100245875/Install_30_Electric_Range_USA_DG68-00108G-10_EN-MES.pdf
For other concerns, do not hesitate to reach out via our Support Channels below:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.commuity.samsung.com/t5/Samsung-Community/ct-p/us
Thank you, and stay safe!
Your Reference Ticket Number: 1144201963
-Angelica