How to change the frontend header «Create an Account» link's URL?

Preliminary reading: How is the frontend header’s «Create an Account» link rendered?

Method 1 (recommended)

1. Create a class which inherits from the \Magento\Customer\Model\Url.

• Override the getRegisterUrl() method
• Inject your class to the \Magento\Customer\Block\Account\RegisterLink's constructor as the $customerUrl argument.

Method 2

Create an after-plugin to the \Magento\Customer\Block\Account\RegisterLink::getHref() method.

See also:

• How to change the frontend header «Create an Account» link’s text?
• How is the frontend header’s «Create an Account» link rendered?
• How is the frontend header’s «Sign In» link rendered?
• How is the «My Wish List» link rendered in a customer’s dropdown menu in the Luma’s header?
• How is a customer’s dropdown menu rendered in the Luma’s header?