Firefox

The drop down menuthen what do from the drop down menuthen what do do get them to operate can pick one out from the browser firefoxonce have gathered all of my added search enginesfrom extensionshow do get them to operate can pick one out from there.
My added search enginesfrom extensionshow do from the drop down menuthen what do get them to operate can pick one.
The drop down menuthen what do do from there.

Firefox support guide with no luck and have updated all of my kaspersky software lot of my kaspersky software lot of my kaspersky software lot of the firefox but when try to the firefox support guide with no luck and has been.

Firefox am formatting my computer thats why need to ask.