My laptop Windows 8.1 has 120 GB but it is only 0 gigabytes free I have nothing installed on it but bought it before?

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2

My laptop Windows 8.1 has 120 GB but it is only 0 gigabytes free I have nothing installed on it but bought it before?

So

Then search for the large files or reinstall everything straight away. Win 8.1 without programs needs around 25GB.

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Well then install Windows NEW, then you have space.

And best of all, Windows 10