Simply go to “Document SEtup, and check the “facing Pages” – then the document changes to spreads :o)

You can convert the whole document to CMYK, when you export it to pdf, by choosing a CMYK profile.

There is a very simple way of getting ID to work faster …

How is your pictures made? Are they all in 72 dpi?

InDesign places only the image-prewiev in InDesign. That is a 72 dpi copy of the file. BUT: If The image is saves in 72 dpi, the preview is the same size as the image itselves….

Therefor: Be sure, that all your images are saved in 300 dpi. Then InDesign only places a much smaller image in the document.