=== Confirm your AWS account configuration . Sign in to your AWS Control Tower management account using an IAM user role that has the necessary permissions. For more information, see link:#_planning_the_deployment[Planning the deployment], earlier in this guide. . Ensure that your AWS account is configured correctly, as discussed in the link:#_technical_requirements[Technical requirements] section. // Optional based on Marketplace listing. Not to be edited ifdef::marketplace_subscription[] === Subscribe to the {partner-product-short-name} AMI This Quick Start requires a subscription to the AMI for {partner-product-short-name} in AWS Marketplace. . Sign in to your AWS account. . Navigate to the page for the {marketplace_listing_url}[{partner-product-short-name} AMI in AWS Marketplace^], and then choose *Continue to Subscribe*. . Review the terms and conditions for software usage, and then choose *Accept Terms*. + A confirmation page loads, and an email confirmation is sent to the account owner. For more information, see https://aws.amazon.com/marketplace/help/200799470[Getting started^]. . When the subscription process completes, exit AWS Marketplace without further action. IMPORTANT: Do not provision the software from AWS Marketplace—the Quick Start deploys the AMI for you. endif::marketplace_subscription[] // \Not to be edited === Launch the Quick Start // Adapt the following warning to your Quick Start. WARNING: If you want to enroll existing AWS accounts into {partner-product-short-name}, ensure that your AWS accounts are enrolled in AWS Control Tower. This Quick Start does not support enrolling AWS accounts from organizations that are outside of AWS Control Tower. Your list of existing AWS accounts must be formatted as a comma-delimited string (for example, `account_id1,account_id2,account_id3`). . Sign in to your AWS Control Tower management account, and launch the AWS CloudFormation template using the following link: ** https://fwd.aws/zJYx9[Create AWS CloudFormation stack.] . Check the AWS Region displayed in the upper-right corner of the navigation bar, and change it if necessary. This Region is where AWS Control Tower deploys. For other Regions, see link:#_supported_regions[Supported Regions], earlier in this guide. Choose *Next*. . On the *Specify stack details* page, change the stack name if needed. Review the parameters for the template, and provide values for any parameters that require input. For all other parameters, review the default settings and customize them as necessary. For details about each parameter, see the link:#_parameter_reference[Parameter reference] section. When you finish reviewing and customizing the parameters, choose *Next*.