The IRS generally only receives the gross proceeds from your capital sales reported on the 1099B. Depending on the gross proceeds amount from the 1099-B, if IRS does not find it on your return, you will be receiving a CP2000 notice down the road you will need to respond and explain. Better to deal with it now.
There are 2 free versions. In the regular Turbo Tax Free Edition, information that you can enter is limited now. Why do I have to upgrade from the Free Edition?
To go back to a lower version or the Free Edition you can try to clear and start over https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-clear-and-start-over-in-turbotax-onli...
OR There is also The Turbo Tax Free File program which is free for federal and state. And has more forms than the Federal Free Edition, like Schedules A, B, C , D, E, F, EIC, H, K-1, SE, etc.
To qualify for the Free File website you just need to meet one of these 3 things
AGI $39,000 or less
Active duty military with AGI of $72,000 or less
OR qualify for EIC (earned income credit.)
In order to use the Free File program, you have to start it at a special website. Try signing in at the top right