According to Spiceworks data, Windows 10 is now running on 11% of business devices worldwide. This percentage is about twice as much as what analysts previously estimated. While it’s unclear whether these devices were already existing within their infrastructure, and upgraded to Windows 10, or whether they were purchased brand new, the adoption rate is staggering, compared to any previous version of Microsoft Windows.

To get an idea of what it was like to use Windows v1.01, Twitter user and computer engineer Jeff Par has created PCjs, an emulator that can run within a browser window, which simulates the Windows 1.01 experience down to the fine details.

Learn about four of the most popular Windows vulnerabilities that are now part of history, at least for users of Microsoft Windows 10.

Whether you are an Insider up to date on the latest Preview Builds, such as 10565 which was released on Monday, or a regular user looking to get the most out of your Windows 10 experience, chances are, some of the tips we’ll talk about today may not sound familiar, and a few of them will most likely change the way you work in Windows 10, allowing you to speed up most redundant tasks.