I know lots v people who still use Windows 7. Some businesses still use it fee Windows 10 is expensive and they have software designed specifically for them in the OS.
Other people just like that they know it and are sticking with it. With Windows 7 hitting end of life windows 7 format c drive only free January 14,some people are finally making the move. Usually when you format your operating system OS drive, you use the installation media to do it.
You have a couple of options depending on what you intend to do with the drive or computer. Before you try any of these, make sure to copy anything you want to keep onto a different ddive or removable storage. Formatting wipes the drive so any data is irretrievable without special tools. The Windows 10 installation media can take care of the format. All you need to do is copy the files you want to keep, insert the Windows 10 installation media, reboot your computer and allow the loader to install.
Once you see the blue screen with the Install selection, hit it and the Windows 10 installation process will begin. A format is performed in preparation of installation unless you select to keep old data. If you invested in a solid state drive or NVMe and want to use your old hard drive as a backup or storage drive, you can format it in a few minutes.
Windows 7 format c drive only free easiest way to do that is to install Windows 10 first on your new drive and reattach your old one. Open Windows Explorer, select the old drive, right click windows 7 format c drive only free select Format. Confirm your choice aindows Windows 10 will format the hard drive ready for use. This will only work if you are not using Windows 7 as your operating system. You can only do this if you have installed another OS and are not using the drive as your boot drive.
A format does not delete data, only the index that tells Windows where that data is. Anyone with data recovery tools and a little knowledge can recover that data and make it usable again. Be careful to select the free DBAN software from the page. This should be enough for most uses. All these methods work well and will see you upgrading or disposing of your old tech securely.