Depending on the signs on the enthalpy and entropy of the process they can be: spontaneous at all temperatures, spontaneous at low temperatures, spontaneous at high temperatures, or non-spontaneous at all temperatures.

This video contains multiple examples on how to make this determination.

Here is an index of the other videos in Chapter 22 Gibbs Free Energy:
https://bit.ly/3BTcsc9

Here is an index of the entire Video Textbook of Chemistry:
https://bit.ly/2TIGQVf