You cannot enter a 1099G using the Free Edition.
Or—-Use this IRS site for other ways to file for free. There are 8 free software versions available from the IRS Free File site
https://apps.irs.gov/app/freeFile/
Or—if you live in certain states you may be eligible to use the new IRS Direct File
( AZ, CA, FL, MA, NH, NV, NY, SD, TN, TX, WA, WY )
https://directfile.irs.gov/
**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.**