How to Enable Disappearing Messages on Facebook Messenger

How to Enable Disappearing Messages on Facebook Messenger

[alexshatner]

How do I fix it on a desktop computer windows 7 on Facebook Market place I have about 10 messages I have been leaving to people that have things for sale yet the messages are invisible when I open Market place how can I see them under marketplace messages again like before?

[koleszka]

I don't have these option available on Android messenger

[mmm-tlgq]

How to disappear old messages on messenger