1 deck. Easy. No redeal.
35 cards are dealt to 7 tableaus piles. The 36th card is moved to the foundation. You can move the exposed cards from the tableau piles to the foundation. You may build on the foundation either up or down. You cannot move cards from one tableau pile to another.
When you have made all the moves initially available, click the stock pile to begin turning over cards. Deal a card from the stock pile to the foundation and begin moving cards from the tableaus again.
There is no redeal.