Get a new license

Hello, I have download the Vm image for  vmWare ESXi 7.6.1 and I have set ip static for the first port but when i am trying to access via browser it's appear there is a problem in license (vm is not licensed or licensed invalid for current vm configuration upload a new license or reconfigure the vm) and i have tired to download the license via cli but there is problem (failed to download vm license) although I am sure that insert the right username and password