Welcome to the Orchid Board!
Photos 4022 and 4026 are Dendrobium nobile hybrids. You can read how to grow them here:
Yamamoto Dendrobiums: Caring
and here:
Yamamoto Dendrobiums: Hints
4023 is a Zygopetalum hybrid. They prefer to be evenly moist all year, with higher humidity. Use water low in dissolved salts to avoid leaf spots.
4024 is a complex Oncidium hybrid. They are very easy to grow. Keep evenly moist at moderate temperatures, and it will likely flower multiple times per year.
4025 is a Miltoniopsis. They are more difficult to grow in a home. They prefer temperatures a little cooler than most people keep their houses, high humidity and staying moist with very pure water.