To set up an advertising account on Facebook, you can follow these steps:

 Go to business.facebook.com and click on "Create Account." 

Follow the prompts to provide the necessary information and create your Business Manager account. You may need to use your personal Facebook account to log in or create one if you don't have an existing account.

Set up your Business Manager account: Once you've created your Business Manager account, you'll be guided through a series of steps to set up your account. This includes adding your business details, such as the business name, address, and contact information.

Add a Facebook Page: In the Business Manager dashboard, click on the "Business Settings" option in the top-right corner. Under the "Accounts" tab, select "Pages" and then click on the "Add" button. Follow the prompts to either claim an existing Facebook Page associated with your business or create a new one.

Create an advertising account: After adding your Facebook Page, return to the "Accounts" tab in Business Settings. Select "Ad Accounts" and click on the "Add" button. Choose the option to "Create a new ad account," enter a name for your ad account, and specify the currency and time zone.

Set up payment methods: Once your ad account is created, you'll need to add payment methods to fund your ads. In the Business Settings, go to the "Payment Methods" tab under "Accounts." Click on the "Add" button and follow the instructions to add your preferred payment method, such as credit card or PayPal.

Assign people to your ad account: In Business Settings, select the "People" tab under "Accounts." Click on the "Add" button to assign people to your ad account. You can either add existing team members from your Business Manager or enter email addresses to invite new users.

Grant access and permissions: After assigning people to your ad account, you can specify their roles and access levels. Depending on their responsibilities, you can grant permissions for ad creation, managing campaigns, or simply viewing reports.

By following these steps, you will have set up your advertising account on Facebook using Business Manager. You can now start creating ad campaigns, targeting specific audiences, and managing your advertising efforts on the platform. 

Remember to comply with Facebook's advertising policies and guidelines to ensure your ads meet the platform's requirements.