hotfix file

Hello Dears

I had open a case with support for a bug and they sent to my the that :

The Engineering Hotfix has been uploaded successfully. Please log in using either the case-specific credentials or  AskF5 credentials.
 

|-- Hotfix-BIGIP-17.1.0.1.0.16.4-ENG.iso

|-- Hotfix-BIGIP-17.1.0.1.0.16.4-ENG.iso.384.sig

|-- Hotfix-BIGIP-17.1.0.1.0.16.4-ENG.iso.512.sig

|-- Hotfix-BIGIP-17.1.0.1.0.16.4-ENG.iso.md5

`-- Hotfix-BIGIP-17.1.0.1.0.16.4-ENG.iso.sig

so could anyone help me to get more infromation about how to deal with hotfix file?

Bests