0.2.50 provides the "Adj. Close" column.

!pip install yfinance==0.2.50 import yfinance as yf

df = yf.download('nvda')

df.columns

MultiIndex([('Adj Close', 'NVDA'), ( 'Close', 'NVDA'), ( 'High', 'NVDA'), ( 'Low', 'NVDA'), ( 'Open', 'NVDA'), ( 'Volume', 'NVDA')], names=['Price', 'Ticker'])