Pour faire qqc

De Linuxmemo.

I will need more than 1 evening for watch all vidéos. 

No need to say 'for to watch' when we use 'pour/afin de faire' in French, we have 3 choices in English:

1) in order to

2) so as to

3) simply use the verb, in this case "to watch the videos"

I will need more than 1 evening to watch the videos