How to delete Windows Old after win10 system update

1.Open this computer (that is, my computer before), then right-click on the C drive, and select Properties;

2.In the properties dialog box, click "Disk Cleanup";

3.After turning on Disk Cleanup, click the "Clean System Files" button in the middle of the dialog box.

4.In the newly opened dialog box, under the files you want to delete, find the "Previous Windows Installation" option, check it;

5.After you click OK, you'll be prompted with "If you clean up your previous Windows installation or temporary installation files, you can't restore your computer to a previous version of Windows." Are you sure you want to do this? After thinking about it clearly, just click "yes";

6.Then it disappeared from the C drive.

You can also not delete this is a thing that restores the system before the upgrade win10 within 1 month.

Now win10 is only out of the preview version,There is no official version yet,But I believe that some friends are the same as small D,Like to try it,Win10 has been used。

Some people are upgraded through win8 or directly installed, so the operation is easy to install, but the system will back up the files or information of the original system, and there will be a few G or even 10 G backup files in the C disk.

Some children's shoes feel that it doesn't matter, anyway, the C disk space is large, and some children's shoes may feel that they are an eyesore, and they must be deleted, but when they are deleted directly, they cannot be deleted, what can I do?

In fact, the method is very simple, and the automatic function of the system can be cleaned up.

Open "My Computer" to enter the hard disk, and find the C disk (the system here is installed in the C disk, I believe that most people are the same as the small D, but it is not excluded that some people are installed in other disks).

Right-click on "C drive" - in the pop-up menu, select "Properties".

The following icon will appear, and you can directly select "Disk Cleanup".

A scan will be performed, and you will be patient for a few minutes.

After the scan is completed, the following interface will appear, directly select "Clean System Files".

A system scan will also be performed, and you will be patient for a few more minutes.

After the scan is completed, in the pop-up window, find "Previous Windows Installation", put this item in front of the type, and then make sure to clean up.

This step may take longer to wait, depending on the size of the backup file, the time will be different, wait patiently again.

After the prompt is completed, enter the C drive again, and you will find that the file is missing, or it has become 0kb.

Right-click on the C drive, select Disk Cleanup, select Clean System Files, and find the tick.

How did it come about? How to delete safely, and what is it.

File deletion method after system upgrade to win10:

1. Open "My Computer" (this computer) and open the interface in the hard disk.

2. Right-click on "C drive" and select "Properties" in the pop-up menu

3. Select "Disk Cleanup" and then it will be scanned, wait patiently for a few minutes4. After the scan is completed, select "Clean System Files", and the system will also be scanned, so you need to wait patiently for a few minutes.

5. After the scan is completed, in the pop-up window, find and check "Previous Windows Installation", and click OK to clean up.

6. At this time, you only need to wait for the cleanup to be completed, it may take a long time, depending on the size of the backup file, the time will be different, wait patiently again. After the prompt is completed, enter the C drive again, and you will find that the file is missing, or the folder has become 0kb.

In fact, the method is very simple, and the automatic function of the system can be cleaned up.

Open "My Computer" to enter the hard disk, and find the C disk (the system here is installed in the C disk, I believe that most people are the same as the small D, but it is not excluded that some people are installed in other disks).

Logo key + R key, or right-click Start --Run --cleanmgr sageset:99, and in the interface that opens, select "Previous Windows Installation" and "Temporary Windows Installation Files". Before ticking, OK -- delete.

In fact, it doesn't matter if you don't delete it, it will be automatically deleted after a month!

After upgrading win10, how to delete C drive files.

Generated after upgrading win10 with win8. For example, if you can't delete this folder when you delete it directly, you can perform the following steps:

1. Right-click on the C drive, select Properties, and select Disk Cleanup in the pop-up interface;

2. After the system statistics are completed, click "Clean System Files" in the lower left corner

3. After that, select "Previous Windows Installation" in the file you want to delete (under some systems, this item will be displayed as Windows.)old) or select all, and then click OK. This will allow you to remove.