To make an app for the iTunes app store you will need a Macintosh computer which comes with the XCode programming tools, and/or other programming tools such as GameSalad or Corona. (See links below)
itunes is an apple/mac application. make sure you downloaded the Microsoft version.
You uninstalled Apple's Application Support. Reinstall iTunes
Go onto your apps and search for iTunes - there will be a free iTunes app which you can install
Itunes is and application which is preinstalled on the the ipod touch. It should be there already.
You Can't, once you buy anything on iTunes you cannot sell it, therefor you can delete it.
No. iTunes does not deal in secondhand movies.
No, only an Apple iPod will work with the iTunes application.
iTunes only has so much copy right to the movies. they will sell out and increase quanity slowly.
The portable version of the iTunes application can be downloaded from Apple. There are versions for both Apple and Windows computers. The portable version has a .dmg or .exe file format. The download page is found at http://www.apple.com/itunes/ After the iTunes application has been installed, it is not considered portable because there are many preferences and customizations that take place within the system which will not be moved along with the application in the Application Folder. The .dmg file also includes QuickTime, an application that iTunes needs to play some of the media types commonly used in computers. Simply moving iTunes will not include QuickTime.
you cant
Updates to the iTunes software only affect the iTunes application and does not touch your music library.
you have to get on the application iTunes and go to the iTunes store