The word "installing" refers to the act of putting something into position for use, such as setting up a new piece of software or installing a piece of equipment. Its antonyms are words that represent opposite actions, such as "uninstalling," which would mean to remove something that was previously installed. Another antonym is "disassembling," which means to take something apart or remove its components. "Deactivating" is another antonym, which refers to turning something off or making it inactive. Lastly, "dismantling" is an antonym that means to take apart and remove something entirely, often with the intention of relocating or storing it.