How do you upgrade the IOS on a PAYG SKU csr1000v in Azure?

[RD86]

Are you required to purchase another PAYG instance (VM) that comes with a more up to date IOS or can the IOS be upgraded like a traditional router (ie download the image, upload to router, boot from new image)?

[balaji.bandi]

Look at the below information :

https://www.cisco.com/c/en/us/td/docs/routers/csr1000/software/azu/b_csr1000config-azure/b_csr1000config-azure_chapter_011.html?bookSearch=true#id_87649