Please capitalize where necessary: ever since the beginning of time, people have the arguments and hostility to each other. that's when it began de force.
A: Ever since the beginning of time, people have the arguments and hostility to each other. That's when it began de force.

Please capitalize where necessary: the software also works on windows os and can recover erased files after system restore.
A: The software also works on Windows OS and can recover erased files after system restore.

Please capitalize where necessary: today’s focus on wellness was greatly emphasized by meyer’s catering along the way.
A: Today’s focus on wellness was greatly emphasized by Meyer’s catering along the way.

Please capitalize where necessary: adversary, he said, he swooped from swallowing the last bite! ...
A:
Adversary, he said, he swooped from swallowing the last bite! ...