date company was established: certificates: iso 9001:2008

How would the previous sentence be correctly capitalized?
Answer: Date company was established: Certificates: ISO 9001:2008
one-room apartments for 2 people:

How would the previous sentence be correctly capitalized?
Answer: One-room apartments for 2 people:
click start on the taskbar, select control panel, and double-click add or remove programs.

How would the previous sentence be correctly capitalized?
Answer: Click Start on the Taskbar, select Control Panel, and double-click Add or Remove Programs.
the kit contains instruction,photo, fabric, pattern, yarn and a needle.

How would the previous sentence be correctly capitalized?
Answer: The kit contains instruction,photo, fabric, pattern, yarn and a needle.