The most common and most likely answer to this crossword clue is the 7 letter word REMODEL
I've seen this crossword clue in The Guardian
R
E
M
O
D
E
L
More clues leading to the result REMODEL
- How to make me older?
- Change rock 60’s youth puts on
- Ring for projector to screen government department reform
- Scots dance around Whitehall ministry convert
- Make older me into younger me?
- Do maiden over in length of material?
- Sixties teenager in dance showing style again
- In Whitstable, do mermaids return to change shape?
- Alter shape of T?
- Leading researcher equips my old doctor’s excited landscaper to create new look
Buddy explains!

The straight part
We know that "How to make" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case how to make = remodel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REMODEL mean?
REMODEL verb- To change the appearance, layout, or furnishings of.
- An instance of modification or redecorating.