Please capitalize where necessary: a could install 13 gpus in a single motherboard is well, until you realize that nothing comes free.
A: A could install 13 GPUs in a single motherboard is well, until you realize that nothing comes free.

Please capitalize where necessary: but then with a seahelp sticker inside the driver's cab, if the port manual is not so quick to hand.
A: But then with a SeaHelp sticker inside the driver's cab, If the port manual is not so quick to hand.

Please capitalize where necessary: you can rent boats, canoes and kayaks in many places along the canal.
A: You can rent boats, canoes and kayaks in many places along the canal.

Please capitalize where necessary: the company saves the search history of google users already, but has added a new feature to the google application that captures screenshots of all user searches automatically.
A:
The company saves the search history of Google users already, but has added a new feature to the Google application that captures screenshots of all user searches automatically.