Essentially, you have to wipe your hard disk and start from scratch.So, yes it is possible, but it's not particularly convenient or easy.Starting from a clean hard disk means there's no build-up of programs that start with Windows, slowing it down and using up precious memory. Solid-state drives are much, much faster than traditional hard disks and can give a new lease of life to a PC you thought was destined for the scrap heap.Here's how to install an SSD in your PC (or upgrade your laptop to an SSD).Windows XP is still loved by many people, and still runs on millions of PCs and laptops.But it isn't supported by Microsoft any more and therefore is at risk from viruses and malware that can take advantage of any security holes that remain.We've put together up-to-date lists of the best cheap laptops and best laptops to help you choose.
If you do decide to update to Windows 10, you'll have to do a clean installation as there's no way to upgrade and keep your files, settings and programs.
Then and only then can you begin the actual installation of Windows 10.
There's no guarantee that all your programs will be compatible with the new version of Windows, nor your old peripherals - specifically printers and scanners.
Before you begin you will need to copy everything you want to keep to an external hard drive, USB flash drive or a cloud storage service such as Dropbox or One Drive.
Also, find your software installation discs and licence keys.