Your post is not clear. Did you receive a notice from the IRS to verify your identity?
If you received a Letter 5747C - https://www.irs.gov/individuals/understanding-your-letter-5747c
If you received a Letter 5071C or 6331C - https://www.irs.gov/individuals/understanding-your-letter-5071c-or-6331c
click on the create ID.me account icon
To verify your identity with ID.me, you'll need to provide a photo of an identity document such as a driver's license, state ID, or passport. You'll also need to take a selfie or video chat with a smartphone or a computer with a webcam. If you need help verifying your identity or to submit a support ticket, you can visit the ID.me IRS Help Site .
take a selfie with your smartphone
and if you are using your computer rather than a smartphone to register you'll need to upload the selfie (face) to your computer
or you can use your smartphone to register
once on IRS website
tap on - sign in to your online account
scroll down to the section that says id.me - create an account - and tap on it
follow the instructions from there