What if you have two or more Windows operating systems installed on the same computer and want to uninstall one of them? For example, let’s assume that you have installed Windows 10 and Windows 11 in a dual-boot configuration. How to uninstall Windows 11 or Windows 10 when they’re both installed (in a dual-boot configuration) If you want to uninstall Windows 11 or Windows 10 like this and need guidance on how to use diskpart and format, follow the steps described in this tutorial: How to use diskpart, chkdsk, defrag, and other disk-related commands.Īdvertisement 2. Remember, this will erase all the data you have on that partition.Īlternatively, you can boot from the recovery or install drive, load Command Prompt (Shift + F10), and then use the diskpart and format commands to remove or format the Windows partition(s) you no longer need. Then, on the recovery screen or during the installation of the new operating system, select the existing Windows 11 or Windows 10 partition and format or delete it. Create a USB recovery drive or an installation CD/DVD or USB memory stick with the operating system that you want to use next, and boot from it.Ĭhoosing to boot from a CD in the BIOS/UEFI Boot Menu If you installed just one Windows operating system, regardless of whether that’s Windows 11 or Windows 10, uninstalling it is simple. How to uninstall Windows 11 or Windows 10 when that’s the only operating system you have
One way to back it up is through File History. If you don’t back it up before uninstalling Windows, you risk losing your data if something goes wrong along the way. IMPORTANT: Make sure that you back up the data you have on the Windows drive. How to delete Windows from a dual-boot configuration with Linux
The uninstaller does not remove any user data such as history or bookmarks. Uninstalling Firefox does not remove any user data such as bookmarks, passwords and cookies. To remove other files and folders that may not be removed by the uninstall, you must manually delete the Firefox program folder from the location shown in the Uninstall Mozilla Firefox window (usually C:\Program Files\Mozilla Firefox or C:\Program Files (x86)\Mozilla Firefox).Click Finish to complete the uninstall.The next window that opens will show the location of the Firefox program that will be uninstalled. Click Next in the Mozilla Firefox Uninstall window.To finish uninstalling Firefox, follow these steps: This can fix many issues by restoring default settings and removing add-ons. Note: Instead of uninstalling Firefox, you can try the Refresh Firefox option included in the uninstaller.
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