What is the correct process to upgrade the CCP Web Service?

What is the correct process to upgrade the CCP Web Service?
A . Run “sudo yum update aimprv” from the CLI.
B . Double-click the Credential Provider installer executable and select upgrade.
C . Double-click the AimWebService.msi and select upgrade.
D . Uninstall and reinstall the CCP Web Service.

Answer: D