How to install another operating system next to Windows 11?

In the next step, you need the Windows file, which you must either prepare via CD or DVD or flash memory. You can also see the tutorial on how to write Windows on a flash drive below or on different websites. When Windows is ready to install, start the backup process. To make a temporary backup of Windows 11, follow the steps below.

System backup

• Open the start menu.
• Enter Control Panel in the search menu and open it.
• Click on system and Security.
• Select Backup and Restore.
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At this stage, you must click on Create a system image, which can be seen on the left panel.



• Now click on the desired drive to save the backup file in it.
• Click on the next option.



• If possible, a Select another drive to save the backup file in it.
• Click on Start backup and then select No.
• Click on Close to complete the backup and file saving process. the backup is finished.

When the backup process is finished, that means a file of The current version of your computer is created, you can safely install the new operating system. After this step, it is time to prepare the Windows file on the flash drive.

Creating the Windows installation file

In order to install Windows through a flash memory, you must first create the Windows installation file. wrote on it. In other words, in this case, the flash memory appears as a DVD, which can be burned using a third-party software. Assuming that Windows 11 is now your default operating system, you need to download your desired Windows file from various websites or from Microsoft's own official website. Follow the steps below to burn Windows on a flash memory.

• Download the desired Windows from the relevant site.
• If you want to download Windows through the Microsoft site, you must First, sign in to your Microsoft account. Otherwise, just click on the Windows version you want.
• Assuming that you are downloading Windows from the Microsoft site, after clicking on the Windows version you want, click on the Confirm option.
• Select the installation language and select Confirm again.



• Click on the 32-bit or 64-bit version according to your hardware type.

After you go through these steps and download Windows, it's time to burn. It comes in flash memory. A flash drive of at least 8 GB, preferably empty, is required in this section. To be able to burn the Windows installation file on a flash drive, you must go through the following steps.

• Download and install the Rufus application through this link. (size less than 2 MB).
• This Windows application will burn it on the flash for you.
• Extract the file and connect the flash to the system.
• Rufus does not need to be installed and is portable.
• If the flash is not empty, it will be completely formatted during the process. So be sure to keep this in mind so that there are no problems with your files.



• Run the Rufus application.
• In the Device section, select your flash drive from among the options.
• In the Boot Section, you must also load the Windows ISO file.
• You can also change the name of the flash in the Volume Label section.
• Click on the Start option to start the burning process.
• After the process is finished, click on the option Click OK.

Allocate a specific volume for Windows installation

After the above steps are completed successfully, Windows will be written and ready to install. Of course, be careful that it is impossible to install another Windows on the same partition, along with Windows 11, unless you use the Shrink feature to create free space for installing a new operating system. Also, those users who use another hard drive next to the Windows hard drive can easily install the new Windows on the same second hard drive, and there will be no need for Shrink. However, if you need Shrink, you should do it as follows.

• Open the start menu.
• Type Create and format hard disk in Enter the search field and click on what is found to open Disk Management.



• Right-click on the desired partition and select Shrink Volume.
• Click the desired value to shrink the volume.

Note: Windows 11 requires at least 64 GB of free space. So it is suggested to consider at least 71680 MB for it, which actually means 70 GB.



• Click on the Shrink option.

After you have completed the above steps, the current partition will be shrunk enough to make room for the new Windows installation. But there is one more step left to do before installing the second Windows. Check to see if your system is able to boot from a flash memory and if so, set the boot priority to it. To change the boot priority in Windows 11, follow the steps below.

• Open the settings.
• Click on the system section.
• Click on the option Click Recovery.



• At the bottom of the Recovery options section, click Restart Click Now to restart the system on the Advanced Setup screen.



• Click the Troubleshoot option and in the next step click on Advanced options.
• Select the UEFI Firmware Settings option.



• Click on the Restart option again.
• Open the settings page related to the boot menu.
• Select system Boot on USB bootable media (USB bootable media)



• with Click on F10 to save the changes made.

When these steps are finished, the system is ready to install Windows 11 on it via USB.

Note: If you want to install an operating system other than Windows on your system, you must disable features such as fast startup and BitLocker. Otherwise, you may face problems.

Clean install Windows 11 (or any other Windows)

To install Windows, follow the steps below. .

• Connect the USB containing the Windows installation file to your system.
• Turn on the computer.
• Press any key to boot the system Press (DEL, Enter, F2, etc.).
• With this, you will enter the Windows installation menu after a while.
• Choose your desired language and keyboard and click Tap Next.



• Tap install Now.



• At this stage, you will reach the part of entering the Windows serial number. Something is not very common in our country, we pass it by. Click on I don't have a product key option to enter the next installation step.



• Choose the version of Windows you want from the options.
• Click on the next option.



• Agree with the terms and conditions and click on the next option.
• At this stage, click on the second option, namely Custom: install Windows only (advanced) because you want to You are installing a Windows, not updating the existing version.



• Click on the Unallocated Space option that you originally selected from the Windows drive to install the new operating system.



Note: In this section, you must click on the desired drive that you reduced the size of, otherwise you will face problems and it may happen during the Windows installation process. , your data will be deleted from the drive.

• Click on the next option.
• After the first restart, click on the first Windows to continue the installation process. The second Windows is the old Windows of your system.



• Choose your language and click on the Yes option.



• Select the keyboard language and Click on the Yes option.



• Enter the name of your device according to your taste. or click on the Skip For Now option to come to this section later.



• Click on the Set up for personal use option because for Iranian users the second option is not very useful except in exceptional circumstances and for a series of special organizations.



• Click on the Sign in option and enter your Microsoft account.



• Click on the next option.



• View more options Choose s. Click as new device and select Next.



• Click Create Pin option, create a password for yourself and then click on OK option.



• At this stage, you need to make settings related to your privacy, which depends on your taste.
• Click on the next option in this stage and the next stage, and finally choose Accept. .



• On the Skip option in this step and the next step which is related to Android capabilities (if you are installing Windows 11) click.
• Click on the phrase Only save files to this PC to postpone the OneDrive account backup process.



• Click on the Decline option to view Office offers. 365 should be postponed to later.
• Repeat the same thing to reject Gamepass offers and click on Skip for now.

New Windows Activation

When you install a new Windows, if you have purchased a legal version of it, you can activate it after installing Windows. If you are using the cracked version of Windows, the activation will be done in a completely different way, and we will explain both methods in full below.

• Enter the Windows settings.
• Go to the system section.
• Click on the Activation section.



• Click on the Change option in the Change product key section.



• Enter the desired key and click on the next option.



• After going through this step, your Windows will be legally activated.

But if you have Windows in a fluffy form on the system and you want to do it in the same way Activate it, just follow the steps below.

• Download Kms Auto Lite application by clicking on the link. (size 10 MB).
• Disable your antivirus completely before extracting the zip file. (Going to Settings, Privacy & Security, then Windows Security, clicking on Virus & Threat protection and Manage Settings and finally disabling all active security systems).
• Extract the file.
• After extracting the file according to your system type, run one of the 32-bit or 64-bit versions as admin.



• You see two options; One is related to Windows and the other is related to Office. If you use office programs in your system and you cannot make changes because they are not active, you can activate your office using the second option, otherwise, if you only want to activate Windows, click on the first option and according to Instructions that appear on the screen Go ahead.
• If the activation is done successfully, you will see a message saying that your device is permanently activated. (The machine has been permanently activated)>

Register in the Windows Insider Program

If you have downloaded and installed the trial version of Windows 11 as a second operating system just to experience its new features, you are automatically a member of the Insider Program. You will get Microsoft Windows, but if you have downloaded the stable version and want to become a member of the insider group, follow the steps below.

• Open the settings.
• Go to the Windows update section.



• Click on the Windows Insider Program option.



• Click on Get Started option.
• Now you should Link your Microsoft account to the system. Click on Link an account option.
• Select or enter your account and then click on Continue option.



• Now select one of the Insider categories. For example, Dev Channel.



• Click on Continue and Then click this option again in the next step.
• Restart the system.

After this process is finished and the system is booted, you will see that Your second operating system is registered in the Developer Insider category. Now, if you enter the Windows Update section, you will see that an update will probably be downloaded and installed automatically.

Note: Developer circle insiders receive some of the most unstable Windows updates. So be sure to make sure that the operating system you are a member of the Insiders on is either your second operating system or installed on a system that you do not do important work on.

Customize Boot Manager

The boot manager is usually configured automatically during the installation of the second operating system, but you can always customize its settings. For example, if you are using two similar operating systems, you can rename them so that they are easy to distinguish. You can also choose which Windows to boot by default so you don't have to wait 30 seconds for the auto-selection system to choose your Windows to boot.

Rename the new operating system at boot time.

To change the operating system name so that you can more easily identify which one should boot when booting, follow the steps below.

• Open the Start menu.
• In the search field, enter Command Prompt or CMD and right-click on the result and run the service as an administrator.
• Enter the following phrase in the command line. and press enter to specify the setup information for each operating system.

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• Confirm the information about the new operating system.

Note: If the settings If you haven't changed the default, the Windows identification system (Identifier) should display the word Default.

• Identif value ier and right-click it.
• Enter the following command to change the name of the new operating system in the boot manager.

bcdedit/set {current} description NAME



• For example, if the name Let the new Windows be Windows 11, the code should be entered as below.

bcdedit /set{current} description Windows 11

After this process is completed, the boot manager will display the new Windows name according to what you set when the system boots.

If you enter the operating system First of all, the Windows identification system considers the default name for the second operating system and the current name for the first operating system. If you want this situation to be less confusing, you need to make the relevant changes in the main operating system itself.

Change the default boot

If you want the boot system to change if no choice is made by you. to run a Windows automatically, follow the steps below.

• Open the start menu.
• In the search section, enter Command Prompt or CMD and Right-click on the result and run the service as an administrator.
• Enter the following statement in the command line and press Enter to specify the setup information for each operating system.
• li>

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• Information about the operating system you want Confirm that it is the default operating system.
• Enter the following command to introduce the default operating system to boot.

bcdedit /default {identifier}

For example, with the following command, the first operating system is considered as the default system.

bcdedit /default {current}

Enter the environment you want.

Changing the waiting time

As mentioned before, the Windows boot manager waits for a period of time to see if you choose a Windows to boot into. do you or not If this decision is not made by you, the bot leader will automatically choose one of them, as we said above how to personalize this choice according to your taste. But if you want to reduce the waiting time, i.e. for the boot to automatically select one of the windows, follow the steps below.

• Open the start menu.
• In the search section, enter Command Prompt or CMD and right-click on the result and run the service as an administrator.
• Enter the following phrase in the command line and Press enter.

bcdedit /timeout 5



The number you see in the command line is in seconds. This means that if you do not select the desired Windows to boot within 5 seconds, the boot manager will boot the selected one that you specified in the previous step.

By doing the steps in this The article mentioned that you can easily install another operating system alongside your Windows 11 and use it. We hope this tutorial was useful for you.