Once you've installed it new functional Windows 10 April 2018 Update, but you notice that your disk capacity has decreased noticeably. If so, you should know that your disk after installation has been loaded with 10GB (approx) of data that you don't need.
If the computerIf you have a large hard drive it won't be much of a problem, as the data will remain stored for 10 days until Windows automatically deletes it. But if your disk has a limited capacity, 10 days is a long time.
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Όταν κάνετε αναβάθμιση σε ένα νέο "build", τα Windows δημιουργούν ένα φάκελο με όνομα Windows.old που περιέχει όλα τα αρχεία τους συστήματός σας από την "παλιά" εγκατάσταση των Windows. Αυτό σας επιτρέπει να "επιστρέψετε" στην προηγούμενη έκδοση των Windows 10 αν κάτι δεν πάει καλά με την εγκατάσταση της νέας έκδοσης.
However, this folder contains more than 10 GB. Windows will automatically delete it after 10 days, as mentioned above, but you can delete them immediately if you do not want to wait.
You should be aware that you can only delete these files if your computer appears to be working properly. If you have a problem with the new version of Windows 10, you won't be able to "roll back" to the previous version.
How to delete the Windows.old folder:
If after a few days everything works correctly, you can delete the old files. The Windows.old folder because it contains files on your old system can not be deleted manually.
With Windows 10 April 2018 Update, you can delete files using the new tool "Ελεύθερος χώρος" στις Ρυθμίσεις. Ακολουθήστε τη διαδρομή:
Settings - System - Storage - Free space
Check the "Previous installation of Windows" option in the list. You will see the size it occupies on your disk. If you don't see this option listed, then you've already deleted the files, or Windows 10 deleted them before you.
Select other types of data you want to delete and click delete files.
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