The winner will secure a place in next season's National League.
York have had to defeat Chorley and Brackley Town to reach the final after finishing fifth.
Meanwhile, United - who concluded the campaign seventh - have won at Kidderminster Harriers and AFC Fylde.
The game is sold out with 7,500 tickets snapped up.
United fans can attend a big screen showing of the final the Jakemans Community Stadium or alternatively stream from home.
This is a bonus for supporters abroad who can also access the match.
To purchase a livestream, priced £10, click here.
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