If you installed Windows 10 version 1809 "October 2018 Update" over a previous Windows version, you might have noticed that free disk space on your disk drive was considerably reduced. You can get back up to 20 Gigabytes.
Before you proceed: Keep in mind that deleting these files will remove the ability to uninstall Windows 10 October 2018 Update. You won't be able to rollback to the earlier version of Windows.
To free up disk space after installing Windows 10 version 1809, do the following:
- Open Settings.
- Go to System - Storage.
- Click on the link Change how we free up space automatically on the right under Storage Sense.
- On the next page, find and check the Previous Windows installation(s) item.
- Click on the Clean now button.
That's it! This will remove all the files you checked in the list.
For reference, see the following article:
Tip: Also, it is possible to go to Settings -> System -> Storage -> Free up disk space now.
On the next page, turn on the option Previous Windows installation(s) under the section Remove temporary files, then click on the Remove files button.
Alternatively, you can use the classic Disk Cleanup tool. Do the following.
Tip: You might be interested in learning more about the cleanmgr app's features and options. Refer to the following articles:
- Start Disk Cleanup With All Items Checked
- Clear Temp Directory on Startup with Disk Cleanup
- Add Cleanup Drive Context Menu in Windows 10
- Disk Cleanup Cleanmgr Command Line Arguments in Windows 10
- Create a Preset for Cleanmgr (Disk Cleanup)
That's it. You can see how easy it is to reclaim disk space which was unnecessarily being consumed after the upgrade to Windows 10 version 1809.
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