The tech giant behind the Windows operating system has told millions of customers around the world that if they are using Windows 10, they ned to upgrade "immediately" because that iteration of the OS is being "retired" in October.

In a blog post, the corporation said: "Well, it is official. Window 10 is being retired after October 14th,2025 and will no longer be supported. What does this mean? Your computer will still work. However, with security threats on the rise, it is imperative you upgrade, immediately."

The statement comes after Executive Vice President and Chief Marketing Officer at Microsoft, Yusuf Mehdi, told users that upgrading their PC would be the "most important" tech change they could make in 2025.

He said: "We believe that one of the most important pieces of technology people will look to refresh in 2025 isn’t the refrigerator, the television or their mobile phone. It will be their Windows 10 PC, and they will move forward with Windows 11..

""Once you have purchased your new PC, Microsoft providesa one-stop solution to make it easier to transfer your files, themes, apps and settings, ensuring a fast, secure and seamless transition.

"We believe that Windows 11 is available at a time when the world needs it most – providing advanced AI capabilities and modern security benefits that customers expect in 2025 and beyond, highlighting that the forefront of AI innovation will be realised on Windows."