If the download its self is only one file run it. If it is a folder, open it, look for a readme. If you don't see one look for a setup.exe and run it. If you don't see that, look for any .exe file and run it. If you still can't find out how to install it, contact where you got it from.
Yes
Yes, you can play Microsoft Flight Simulator 2004 without a disc. I have put a link under this question explaining how to play Microsoft Flight Simulator 2004 without a disc. I have put a link instead of explaning how to do this because of the amount of steps.
I have found a download for the Embraer 135 for Microsoft Flight Simulator X. I have put the link to the download below this question. To download you must register with the website but registration is free.
Well you can't unlock planes.But you can download them from AVSIM its' a free website which let you download planes put into YouTube this "how to download planes for flight unlimited 3" for further details.
go to a game downloading website,put it on the game you want to get on your files.Go to files and download the game onto the computer.That is how I did it.Answer #2Google Earth has a built-in flight simulator that is free. Download Google Earth, pick your one of two aircraft types, pick your airport, and start flying over the 3-D terrain.
press F11 outside and F10 inside - these buttons can be configured by going to the settings menu
No you can't. The main supplied disk is fully loaded to the hard drive for use.
Put towers
You have to extract the rar file, and put the scs file in UK truck simulator>Mod
Put the CD in the CD drive. Go to "my computer" open the drive that has the CD in it. Click on FMS Set up. Follow the on screen instructions. The simulator is a pretty good one you will enjoy it.
There should be default missions. If you have add-on missions downloaded online, you should put them in an appropriate folder in your FSX's.
You can down load a full pack often free that's resides in the simobjects folder, aircraft. They mostly use the default models