How to make App packages for submitting apps at windows 8 Store(for a Grid App)

now,we will see how to make packages for submitting our application at windows 8 store.what we have to do is to just follow these basic steps.

step1-

just change the mode from Debug mode to release mode.

step2-

Open  package.appxmanifest in solution explorer.go to capabilities and unmark internet option if your app doesn't make use of internet(no use of internet in case of grid app).

step3-

now,just go to store option in project option in menu bar.

click on create app package option in store option.now it will ask two options.click on "No".

and now click on "Next"option.

finally we have to click on "Create" option.

                                                                                                                                                     our app package will be created

after that a box will open saying"package creation completed".now we have to select "ok" option.our app package is finally created and we can locate it in"C:\Users\Shashank\Documents\Visual Studio 2012\Projects\my first data app\my first data app\AppPackages".The app package will be in form of APPXUPLOAD file.so now,we are done with creation of packages for uploading on windows store.now what we need is a Store developer Account from where we can upload our apps.now create our account .