How to check whether Win10 system is genuine system

First, judge whether Win10 system is genuine from watermark printing
Not activated Win10 official version watermark style
Win10 watermark is divided into two categories, one is The preview version of the watermark is fixed in the lower right corner of the desktop, and the format is not unique. This is related to the nature of the version (as shown below). The other is the pirated watermark, which is the new variety in Win10. From the style point of view, this is called the real watermark: semi-transparent font, always displayed at the front (as shown above).

Win10 preview version of the watermark style
For the Win10 preview version of the watermark, because it does not always "display at the forefront", only plays the role of the version mark, so it affects the normal use of the user Not big. In response to the recent changes in the watermark format of each version of Win10 RS1 Preview 11082, you need to clarify: these versions have watermarks, and the format is the same, these versions are not pirated, but Microsoft changed the watermark format and content.
Win10 is not activated. The watermark is always displayed at the front.
For the inactive prompt watermark, there is currently only one format. This kind of watermark font is large, and can be placed on the front end display, which affects normal use, because it is really "unsightly". To get rid of it, you have to activate the system early. The activation method is relatively simple. You can purchase a new Win10 product key or activate it with your existing Win7/Win8.1 key. Can be directly in the system activation interface jump application store to buy, so in the case of watermark, if you want to rely on the watermark to see if Win10 is pirated, whether it has been activated, as long as you look at the existing watermark type can be quickly determined: large size, translucent The top display shows the pirated (inactive) watermark; the white small print in the lower right corner of the desktop is the Win10 preview watermark, no need to worry.

Second, start from the system properties
1, click on the computer
2, in the pop-up dialog box, click [System Properties]

3, pop-up system interface, below You can see the activation information