How to juniper vSRX add new License Key

root@% cli
root> show system license

1)
My license
https://download.juniper.net/cust-svc/srx/E419777401.txt
E419777401 aeaqic apaeor 4altdy arwhqb impacr i6bmed
           embrgu ydgmbz bqihmu 2slawu u5lonf ygk4sf
           ozqwyb ziukrz o4t4tq 73ypay 2pgysd icl7im
           u5x4l3 4pgvmf cggson fslbu7 atr27n sh6zqe
           s2rq
          

root> request system license add my-license-file.txt

root> show system license