It doesn’t matter why, but you may need to find out which version of the operating system is installed on the computer or which bus width. The main thing is that it is necessary. There are quite a few ways to find out about the operating system version. Some of them are accurate, others are not very accurate. Well, let's start figuring out how to find out the version of Windows. For ease of understanding, a short theoretical introduction follows, the most popular operating systems for today are considered.
What you need to know
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Windows
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Windows 7 Vista
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Windows 8 8.1
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Version 8.1 is a bit more complicated: you need to move the mouse pointer to the lower right corner, then up. Click on “Options,” then on “Change.” Next, select "Computer and devices" and click on "Information". On the page that opens, the version and bit depth of the operating system will be indicated.