To manage your 3DEXPERIENCE SOLIDWORKS for Makers subscription, go to https://my.3dexperience.3ds.com/cnb/my-account/subscriptions, log in, then follow the steps in this video: 

In My Account, you can:

• Stop your subscription renewal (until 5 days before renewal)
• Download your invoice
• Change your payment method

If you need assistance with your subscription, submit an Online Support Form.