Slow motion effects

[WithoutaName10]

https://mirillis.com/en/products/action.html

If you scroll down you can see:

Outstanding slow motion effects
Stand out with stunning gameplay and desktop recordings!
Create high quality, smooth, slow motion effects using Action!
120 fps recording option and make your video recordings more entertaining and original.

How do I apply/use this slow mo effects? I can't see or find anything about that.

[radi]

120 fps video allows you to slow it down up to 4 times (to keep the 30 fps). It can be done with most of the video editing softwares.