In the Harry Potter universe, a muggle is a term used to refer to someone who lacks magical ability. It is established in the series that magical ability is something that is inherited and cannot be learned or acquired by any other means. Therefore, it is not possible for a muggle to become a wizard or witch in the Harry Potter universe.
However, it is worth noting that there are various magical artifacts and potions in the Harry Potter universe that can give muggles temporary access to magical abilities or allow them to perform magic. For example, the potion Felix Felicis can give the drinker good luck and the ability to make good decisions, while the Cloak of Invisibility can make the wearer invisible.
Additionally, there are instances in the Harry Potter universe where muggles have married wizards or witches, resulting in their children being born with magical abilities. One example of this is Hermione Granger’s parents, who are both muggles but have a daughter with magical ability.
It is also worth noting that there are other fictional universes where non-magical individuals can learn or acquire magical abilities. One example of this is in the popular manga and anime series Naruto, where individuals called ninja can learn to use chakra to perform various abilities, including the use of elemental jutsus, illusions, and healing techniques. While some individuals are born with more chakra and natural talent than others, anyone can learn to become a ninja with the proper training and dedication.
Overall, while it is not possible for a muggle to become a wizard in the Harry Potter universe, there are various magical artifacts and potions that can give muggles temporary access to magical abilities, and the children of muggle-wizard marriages can be born with magical abilities. In other fictional universes, it is possible for non-magical individuals to learn or acquire magical abilities through training and dedication.