: Even if you successfully install the app, it is highly likely that it will not connect. Facebook has deprecated the API protocols used by these older versions, meaning the app may crash or show a connection error upon login. Safer Alternatives

To download your full Facebook history or specific videos, you can use the official backup tool or third-party downloaders.

directly from Facebook's Account Center. This allows you to export a copy of your posts and photos without using third-party software.