Please capitalize where necessary: in the case that your psk file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit psk file extensions.
A: In the case that your PSK file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit PSK file extensions.

Please capitalize where necessary: the goals became effective from january 1, 2016 and will set us ahead towards a more sustainable development for both the people of the world and the planet.
A: The goals became effective from January 1, 2016 and will set us ahead towards a more sustainable development for both the people of the world and the planet.

Please capitalize where necessary: serve with tonkatsu sauce and enjoy.
A: Serve with tonkatsu sauce and enjoy.

Please capitalize where necessary: once the planting hole has been dug out and the roots supplied with water, the plant can be carefully removed from its pot so that it can be placed in the planting hole.
A:
Once the planting hole has been dug out and the roots supplied with water, the plant can be carefully removed from its pot so that it can be placed in the planting hole.