There[SQ]s no known legitimate software or app called "Flix Plus by Lifehacker" for Windows (or any other platform). Lifehacker is a popular technology and life-advice website, but they don[SQ]t produce or endorse a product with that name.

If you encountered this name somewhere, it[SQ]s highly likely to be :

*

Malware:

A potentially harmful program disguised as a legitimate application. Be extremely cautious if you[SQ]ve downloaded something with this name. Run a full scan with reputable antivirus software immediately.
*

A scam:

An attempt to trick you into downloading malware or giving away personal information.
*

A misspelling or a completely different product:

The name might be slightly different, or it might be unrelated to Lifehacker entirely.

In short:

Don[SQ]t trust anything claiming to be "Flix Plus by Lifehacker." It[SQ]s almost certainly not legitimate.