If you simply want to find a star to dedicate to someone without the paperwork, you can use free tools like Stellarium or Google Sky to pick a coordinate and "claim" it in your own heart.
When you "buy" a star, you are essentially paying a private company to enter a name into their own proprietary registry and send you a gift kit. How to "Register" a Star how to buy your own star
A showing the exact coordinates (Right Ascension and Declination). If you simply want to find a star
A pair of stars that appear to revolve around each other. A pair of stars that appear to revolve around each other
The idea of "buying a star" is a popular gift gesture, but it is important to understand that No private company has the authority to rename a star; that power belongs exclusively to the International Astronomical Union (IAU), which uses coordinates and catalog numbers rather than names.