How do I remove Windows 10 and install Ubuntu without losing data?

It is possible, but risky, to do this without an additional drive, presuming the data takes up less than about 40\% of the drive:

1. Install Ubuntu in parallel to Windows (split the partition).
2. Move the Windows data to the new Ubuntu partition.
3. Delete the Windows Partition.
4. Extend.

How do I completely replace Windows with Ubuntu?

Download Ubuntu, create a bootable CD/DVD or a bootable USB flash drive. Boot form whichever one you create, and once you get to the installation type screen, choose replace Windows with Ubuntu….5 Answers

1. Install Ubuntu alongside your existing Operating System(s)
2. Erase disk and install Ubuntu.
3. Something else.

How do I remove Windows and keep Ubuntu?

Select your Windows partition (it will be of type NTFS and will probably have a pale green border). Delete it ( Partition > Delete ). Optionally, resize your Ubuntu partition to take up the freed space. You may be able to do this by selecting it (it’s of type ext4 ) and using Partition > Resize/Move .

How do I switch from Ubuntu to Windows without restarting?

1. shutdown the computer then start it again.
2. Press F2 to inter the BIOS.
3. change the option of SECURITY BOOT from “ENABLE” to “DISABLE”
4. change the option of External boot From “DISABLE” to “ENABLE”
5. change the boot Order (first boot : External device)

How do I uninstall Windows and install Ubuntu on my laptop?

If you want to remove Windows and replace it with Ubuntu, choose Erase disk and install Ubuntu. All of the files on the disk will be deleted before Ubuntu is put on it, so make sure you have backup copies of anything you wanted to keep. For more complicated disk layouts, choose Something Else.

How do I wipe Windows 10 and install Ubuntu?

Here is what you have to do :

1. Backup your data ! All of your data will be wiped with your Windows installation so do not miss this step.
2. Create a bootable USB Ubuntu installation.
3. Boot the Ubuntu installation USB drive and choose Install Ubuntu.
4. Follow the installation process.

How do I go back to Windows 10 after installing Ubuntu?

Replies (3) 

1. Create a bootable media and boot the PC using the media.
2. On the Install Windows screen, select Next > Repair your computer.
3. On the System Recovery Options screen, select Troubleshoot> Advanced options > Command Prompt.
4. Now type in the commands and hit enter: BOOTREC /FIXMBR. BOOTREC /FIXBOOT.
5. Restart the PC.

How do I uninstall Windows 10 from Ubuntu?

How to Remove Windows or Linux and Reclaim Unused Disk Space

1. Open the Manage Disks and Partitions tool, then right-click the partition to remove.
2. Select Delete Volume.
3. Accept the resulting dialog, which re-affirms everything in the partition will be lost.