User blog comment:Kacj321/The Elder Scrolls V Skyrim - Official Trailer Gameplay/@comment-66.41.105.22-20110226122144/@comment-3402268-20110227162009

Well in that case if you mean an editor program like the TES Construction Set or the GECK, then yea you'll have access to it. Bethesda always releases them with their games. Like Mastererium said, it's called the Creation Kit.