Your mother has put what on her laptop using what cd? You need to be more specific before anyone can help.
Assuming Vista Basic came pre-installed with the laptop you can, of course, reinstall it using the recovery disc or partition.
Xiaomi Mi Mix 2 review
What went wrong at the Designs of the Year 2017
iPhone X news: Release date, price, new features & specs
Comment créer, modifier et réinitialiser un compte Apple ?