See this TurboTax support FAQ for creating W-2's and Form 1099's for employees and contractors - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-forms/create-w-2-1099-forms-employees-contractors/L0yjM6jDz_US_en_US?uid=m5irq56z
Or do you want to enter a Form 1099-MISC that you received?
To enter a Form 1099-MISC -
Click on Federal Taxes
Click on Wages and Income
Click on I'll choose what I work on (if shown)
Scroll down to 1099-MISC and Other Common Income
On Income from Form 1099-MISC, click the start or update button
Or enter 1099-misc in the Search box located in the upper right of the program screen. Click on Jump to 1099-misc
Do you need to create a 1099Misc OR enter a 1099 you received into your tax return? Are you using the Online version or the Desktop installed program? What is the 1099Misc for?