2. Look for the Windows 10 icon on the right side of the task bar. Right click it, then click "check your upgrade status."
3. The Windows 10 app should open. Click on the little 3 horizontal line "hamburger" menu icon in the upper left, then click "check your PC" in the resulting pop-up. It should tell you if Windows 10 will work on that PC, along with any potential problem areas (you should expect that a few things might not work).