Get your taxes done using TurboTax

Check your W-2. Boxes 18-20 should have entries and Box 20 should say either Detroit (online) or MI-DET (CD\Desktop)

On the screen Which Cities Did You Live or Work In? make sure I need a Detroit City Return is checked. Then select the appropriate return (resident, part-year, or nonresident)

Keep going through Michigan until you reach Live or Work in Any of These Cities? Detroit should be checked. Continue.

On What was your Detroit residency during 2020? the appropriate return should be checked (resident, part-year or nonresident)

The next screen should be Detroit Wages. Click Edit for the adjustment screen.