create your own NAME.tfvars with your variables override (see docs)
terraform init
terraform plan -var-file=NAME.tfvars to see the plan*
terraform apply -var-file=NAME.tfvars to update the infra (if needed)*
*This expects a terraform.tfstate with the infra state, otherwise you would be recreating the infra from scratch
This plan will create a number of VMs and connect them to github in order to server as CI runners.
Should work for both x86 and aarch64 as long as the config is set properly (see arch input below)