Desktop software is already available for download. Online software will become available sometime in early December. As fanfare pointed out, the documents you will need are not required to be provided by employers, banks, etc. until late January/early February.
And this from the IRS:
https://www.irs.gov/newsroom/irs-statement-on-2018-filing-season-start-date
It is actually better to wait til any "bugs" and/or "glitches" have been fixed in the new software, so hurrying to file too early may not be to your advantage.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
