Ftse Data Where Can I Find Historical Data For The Constituents Of The Ftse 100 Index?

Where can i find historical data for the constituents of the ftse 100 index? - ftse data

I am interested in how they contain elements of the FTSE 100 Index changes over time, for example, that companies over the past 10 years, 5 years, 1 year. (and I do not want to pay for the information!) thank you very much.