1. The installation of an operating system or software on a computer after completely removing all previous data, files, and programs from the storage device
I decided to do a clean install of Windows to fix the performance issues.
Decidi fazer uma instalação limpa do Windows para resolver os problemas de desempenho.
2. A fresh installation without retaining any previous configuration, settings, or residual files
A clean install is often recommended when upgrading to a new operating system version.
Uma instalação limpa é frequentemente recomendada ao fazer upgrade para uma nova versão do sistema operacional.