Windows PC users who are still using Windows 7 need to know that the popular operating system is nearing end of life and that they will need to upgrade to Windows 10 if they want to stay protected and away from security vulnerabilities.
Microsoft confirms that nearly "99 percent of Windows 7 apps are compatible with Windows 10".
"This will not lead to any business disruption as most big companies which are more pro-active about security have already upgraded to Windows 10".
It means that Microsoft is ending the cat-and-mouse game with hackers seeking to exploit software bugs in the Windows 7 operating system.
Windows 10 introduced the concept for UWP apps to the world, which, by the way, didn't perform as intended, forcing Microsoft to take a few steps back.
How to switch to Windows 10? As a matter of fact, many can actually determine what Windows version in running on a device just by listening to the default startup sound playing when Windows is loaded - I do it too, so the removal of the startup sound in Windows 10 is quite a drawback considering this.
There is good news for users who are still running older versions of Windows.
"While it is possible to install Windows 10 on your older device, it is not recommended", Microsoft said.
United Kingdom authorities have warned Windows 7 users not to do internet banking or send emails after Tuesday.
GCHQ's National Cyber Security Centre (NCSC) has told the public not to access banking, emails or other services containing sensitive information from devices on Windows 7 due to the high risk. They may also need to buy new computers because older machines might not be compatible with Windows 10.
The Windows 7 Extended Security Updates will be available until 2023 for businesses of all sizes.
Microsoft promised to support Windows 7 and after January 14, 2020, but only the paid upgrades, which can afford only a commercial organization, the transition to Windows 10 which are hard or technically impossible.
Charges range from $25 (£19) per device to $200 per device and increase each year. Upgrading isn't troublesome, and won't cost a penny.