Used laptops are pre-owned computers that have been previously utilized by someone else. They can vary in condition, age, and specifications, often offering a more affordable option compared to new models. Buyers can find used laptops through various sources, including online marketplaces, electronics stores, and individual sellers. Purchasing a used laptop can be a smart choice for those on a budget or looking for specific features. However, it's essential to check the laptop's condition, battery life, and warranty status before buying. Popular brands like Dell, HP, and Apple often have reliable used options available.