The process is really much more complicated than a forum post, but essentially, once you have your scene built you need to choose Render/Render Setup from the menu. Scroll down to Outsput size of that dialaog box and choose a size, then down to Render output to choose a format and location to save as.
Click the "Render" button in the bottom right corner of tht dialog box and Max will render and save a render of the viewport you choose to the left of that button.
Max has a pretty good help system and the internet is chock full of tutorials.
Depends a lot on the scene being rendered but everything set to the middle and final gather off will work fine. Takes quite a fast machine to set anything higher than that. You can play with those settings as you become more familiar with max.
I render to png and then save as jpg out of photoshop. A max render to eps is just a giant bitmap in an eps file. Not much good as it's not vector.
You canget an eps or AI file out of max but as far as I know it would take a plugin like Swift 3d or illustrate! to make that happen. Never used max 2013 so don't know if that capability is built in yet.
Final Gather Precision is used only if you have an indoor object or scene - like a statue in a musem with light coming from outside trough a window. So the advice to turn off is ok to save rendering time if you have simple scene. Good luck.
I haven't seen that response to any of my 3D files...photos yes, but nothing from Max. I render to at least the highest default settings in the choices and it should always work fine. Doing anything in Photoshop post render?
This is for Max 2012 but it should be close to whatever you are using. In the Render Setup dialog box, under output size, you need to choose a size from the dropdown. This option is really just for the aspect ratio. If you choose "35mm 1.85:1" the default sizes appear to the right as 4 buttons. I test the render using the smallest size and render the final using the largest (4096 * 2214, in this case). You can also choose "custom" form the Output size dropdown and enter whatever pixel sizes you want. The render sample included here is actually 4096 * 2340 pixels.
Just make sure whatever size you choose gives you at least the required 3 mega pixels.