How do i file with W-2 and 10-99 in same year

[xmasbaby0]

ALL of your income goes on the same tax return.  If you mean you have self-employment income reported on a 1099 you will need to use online Self-Employed or any version of desktop software.  Or if you qualify you could use Free File--which becomes available in January:

If you qualify to use it, there is another full-featured free version of the software:

Try Free File: 

You qualify if your income was $36,000 or less, or $69,000 or less if active duty military, or if you qualify for Earned Income Credit

https://ttlc.intuit.com/questions/1900583-what-is-turbotax-free-file-program

• https://ttlc.intuit.com/questions/2026912-how-do-i-switch-to-turbotax-free-file-program

[Critter-3]

If you qualify  AND   if you wait until mid January  THEN you can use one of  the 10 IRS FREE FILE options to file a fed & state return for free ... but you must be patient.    https://www.irs.gov/filing/free-file-do-your-federal-taxes-for-free

IRS Free File: Closed until January 2021

IRS Free File is closed for the 2020 tax season. Check back in January for Filing Season 2021 opening details.

For Filing Season 2021, you must make $72,000 or below to use IRS Free File partner offers.