how does uninstalling a software work? Why is it so quick, when installing takes longer?
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When you’re installing it, you’re making changes to the data on the hard drive. The computer then keeps a list of where on the drive it’s safe to install stuff, and where there’s already data it should keep.
When you’re uninstalling it, all you’re really doing is telling the computer that the place the software you’re removing is safe to overwrite. You can get software that wipes free hard drive space, and you can get software that can read or recover data from it as well.
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