This KB explain how to download the Junos or EVO image for SR and MR from the Juniper support webpage

Please use below link for the download.

https://support.juniper.net/support/downloads/?p=xyz

XYZ is the product you want the software for.

Steps:

> Copy and paste the above link after changing xyz to the required product, in your browser

> Select Junos for MR or Junos SR for SR in the OS drop-down menu on the page

> Select the required MR or SR from the version drop down menu on the page

> On the install package section, you can see the required release & link to the image with the name as tgz for junos or iso for evo

> Use the iso link to get the image download path or to download it to your PC