24 - Recovery 3.Select Remove everything to reset your PC back to its factory default. This process will reinstall your operating system and remove all of your personal files, apps, and settings. 4.Select Just remove my files if you are keeping your computer. This will be quicker, but less secure. Files may still be recovered with a file recovery program. Select Remove files and clean the drive if you are not keeping your computer. This process will take longer, but will be more secure. Warning Selecting " Remove files and clean the drive" will remove all of your personal files and accounts, along with pre-existing drivers that may affect your Windows installation.