What's the difference between Windows 8.1 and Windows RT 8.1? Windows RT comes pre-installed with a version of Microsoft Office, known as Office RT, which is optimized for touchscreens. It may also be used by some budget laptops and netbooks. Windows RT 8.1: This is the edition that older tablets will have.For example, people who need more security can use BitLocker to encrypt their files. Windows 8.1 Pro: This gives you all of the features of Windows 8.1, as well as some extra features intended for advanced users and businesses.Windows 8.1: This is the standard edition, and it will run on desktops, laptops, and some tablets.Windows 8.1 was released as an update to Windows 8 in October 2013. When you upgrade to Windows 8.1, you'll then be able to upgrade to Windows 10, and we'd highly recommend you do this-review our Windows 10 tutorial to learn how. However, it's also important to know that Windows 10 was released in July 2015. If you're currently using Windows 8, you can upgrade your computer to Windows 8.1 for free. en/windows8/windows-81-features/content/ Upgrading to Windows 8.1
