If you don't have a LinkedIn Advertising account
1. Sign in to Campaign Manager. 
2. Click the correct account name and campaign group name where you'd like to create your new campaign.
• If you don't have an account or want to create a new account with new billing information, click Create account.
• If you don't have a campaign group to use, click Create campaign group.
3. Select the campaign objective and ad format you'd like to make. Follow the creation flow for a new ad campaign. 
4. Once you get to the billing page, enter your billing information and your coupon code. 
5. Click Review order to create your campaign. 
If you already have a LinkedIn Advertising account
1. Sign in to Campaign Manager. 
2. Click the correct account name. 
3. Click the Settings icon next to the account name in the top navigation of the account page. 
4. Select Billing history frome the dropdown. 
5. Scroll down to the Available Credits sectio of the page.
6. Enter your coupon code in the Redeem Coupon field and click Apply.
• If you don't see the Redeem Coupon field, verify that you are a billing admin on the account. If you're not, you will need to reach out to the billing admin on the account to add you. Learn more about user roldes in Campaign Manager.