How to Format Computer Without a Windows CD. Whether you're looking to reinstall Windows, retire one of your company's computers, or just prepare a second hard drive for reuse, it's a good idea to ...

It’s useful for repairs of all kinds. Next: Clean install from DVD, step by step Installing Windows 7 from an existing Windows installation.

Windows should give you three options: NTFS, FAT, and FAT32. NTFS is almost always the way to go, so unless you need FAT32 for a specific program you’re planning on running, choose NTFS.

There are multiple ways to format a Windows 11/10 PC. You can use Format option in Setup, Reset PC, OEM software and so on. Make sure to backup all data first.

To format the hard drive in a Mac laptop or a Mac desktop computer, you use software called Disk Utility. This software ships with all Mac computers, so it’s ready to use for the formatting process.

To format the hard drive in a Mac laptop or a Mac desktop computer, you use software called Disk Utility. This software ships with all Mac computers, so it’s ready to use for the formatting process.