The w2 on my turbo tax is not the one I want to file I haven't worked with that company this year I have the one I want to file but don't know how add it to turbo tax

You can add a W-2 using the instructions below. ‌You can also easily delete the Form W-2 for the company you did not work for this year using these instructions.

If you are using TurboTax Online  you can:

1. Sign into your return
2. Click on" Pick up where you left off"
3. On your left panel select "Wages & Income"
4. Next to your W-2 select" Add/Edit"
5. You can select "Add a New W-2" to add your W-2 that you want to file with your taxes     (See screenshot below for additional  guidance)
6. Next to the W-2 that was added (from the company you did not work for this year) click on the down-facing caret  
7. Select "Delete" if you want to delete that old W-2

If you are using TurboTax Desktop, you can:

1. Select "Wages & Income" under the Federal Tab in the top (gray) bar on your screen
2. Select I'll Choose What to Work On"
3. On your "Income Summary", next to "Wages & Salaries" select "Update" or"Start"
4. You can select "Add a new W-2 to add your W-2 that you want to file
5. To delete your W-2 from the company you did not work for this year,  Select the downfacing caret next to your W-2
6. Select "Delete"

It will look like this TurboTax Online.

It will look like this in TurboTax Desktop: