To possess a nice and clean key-board, it is essential to stick to the right method:

https://www.storeboard.com/blogs/general/how-to-nice-and-clean-your-computer-key-pad-to-remove-all-bacteria/2026138

Disconnect it in the core unit. If it’s a notebook, transform it off and remove the charging plug. Above a desk, turn the computer keyboard over and flick gently to eliminate extra dust particles like crumbs. If