What are the precision of the numbers in the function properties of Windows Explorer?

I thought buy a SSD to use as my system disk. During these days, I look at the size of my installation of W7 more other software etc on my C drive and I have shown that I used 79 gb and you have 81 GB spare. I looked at that several times over the last few days and I'm quite sure that's what I saw.

This morning I installed a scanner on the same PC, as well as the software to use it. Naturally, I wondered how that had added to the used space on the C drive. But when I checked using the Explorer, the figures now are 76.9 GB used, 83.4 GB free. I must say that I have installed, uninstalled anything else or emptied the folder recycle.

So, what happens, and how much can we trust those quoted in the property browser?

You can run the Disk Cleanup Wizard and check the 'system' files and it which will remove and temp files, etc.

Tags: Windows

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