Just press this button and Bob's your uncle.
Bob's your uncle
idiomNo problem, the solution is simple, there you have it, it's that easy, you have what you want, all will be well: indicates a desirable conclusion has been reached with ease.
Origin
first recorded 20th c.Unknown. Several unsupported theories exist about its origin. A common explanation, involving Arthur Balfour gaining a promotion through the supposed intercession of his uncle, Prime Minister Robert Gascoyne-Cecil, is doubted because the expression did not appear in print until 1924.
Follow the instructions on the box, and Bob's your uncle, the shelf is ready to use.
Simply connect the cables to the main port, restart the system, and Bob's your uncle, the software will be fully operational.