So, if you want to get rid of your sensitive data forever, don't just delete, but erase it using a powerful data erasure tool Even after you format your system, the data is still recoverable. Note: Formatting Windows 10 PC won't permanently erase your data. Read this article to learn how to format Windows 10 without even using a CD or repair disc. Irrespective of the situation, you can format Windows 10 easily. Or you may want to sell or dispose of your system, for which you are looking for ways to format your system. Your Windows 10 PC or laptop may be running slow and sluggish or experiencing other problems due to which you may want to format it.