Sometimes this error also appears when updating to the latest build of Windows 10 using Media Creation Tool.
it’s possible for you to exit this screen by restarting the PC.
But when performing the update via Media Creation Tool, you may still encounter this issue.

PC gets stuck on “Getting Windows ready.
Don’t turn off your setup” screen?
Full solutions to fix Windows 10/11 getting ready loop are here.
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This may take a few minutes or hours based on the programs number to finish these tasks.
So, it’s possible for you to wait for 2 to 3 hours.
IfWindows 10 stuck on making sure youre ready to installstill appears, move on to other solutions.

Common Fixes
you might do some things to get your PC ready for installation/upgrade.
If you still encounter the issue, proceed to the other workarounds below.
you could take a stab at boot Windows to Safe Mode to see if the issue is solved.
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This can stop the installed programs and files from loading and let you out of the stuck screen.
How to boot your PC to Safe Mode?
Then, go toAdvanced optionsto enter WinRE.

ClickTroubleshoot > Advanced options > Startup configs > Restart.
PressF4,F5, orF6to enable Safe Mode.
After that, see if the issue is resolved.
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Since Windows Defender is a built-in program, you cannot uninstall it.
So, it’s crucial that you disable Windows Defender and then upgrade Windows 10.
See how to do this:
Step 1: Open theSettingsapp in Windows 10.

Is the prefs app not opening in Windows 10/11?
What to do if you cant access options?
This post gives you some solutions to fix this issue.
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Step 2: Go toUpdate & Security > Windows Security.
Step 3: Click onVirus & threat protection > Manage options.
Step 4: Under theReal-time protectionsection, switch the toggle toOff.

Try solutions in this post now.
Once it finds some, it can help to repair them to revert the PC to the normal state.
open-command-prompt-windows-11
Step 2: In the CMD window, typesfc /scannowand pressEnter.

This tool will take some time to finish the scan process.
When performing the SFC scan, you may run into a stuck problem.
In addition to SFC, you’re free to also run a DISM scan.
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In the Command Prompt window, jot down these commands below in order and pressEnterafter each one.
To fix this issue, you’ve got the option to choose to rebuild BCD.
If BCD gets damaged, your PC may be unbootable.

Step 1: Boot your PC and press a specific key like Del, F2, F10, etc.
based on your PC brand when seeing the Windows logo to enter BIOS.
How to make your Windows 11 computer boot into BIOS configs?
This post offers some easy and quick methods.
Step 2: Choose the language, time format, and keyboard input.
Step 3: ClickRepair your rig.
Step 4: Go to open Command Prompt.
For Windows 10, go toTroubleshoot > Advanced options > Command Prompt.
Step 5: throw in the following commands one by one and pressEnterafter each command.
A clean install can let you prevent from the stuck screen while upgrading to Windows 10.
Besides, MiniTool ShadowMaker supports file sync for data backup and disk cloning for disk backup.
In this case, it’s possible for you to directly back up your files.
Then, start a backup with the Bootable Edition.
Here is a related post -How to Back up Data without Booting Windows?
Easy Ways Are Here.
Here take how to back up data with MiniTool ShadowMaker in Windows 10/8/7 (Desktop).
Connect your external drive or USB drive to your PC and start the operation.
Step 1: Double-press the icon of this software on the Desktop to open MiniTool ShadowMaker Trial Edition.
Step 2: ClickKeep Trialto continue.
Step 3: ClickBackupfrom the top menu and then you will see system partitions are selected in theSOURCEsection.
Step 5: At last, click theBack Up Nowbutton to start the file backup.
you’re able to go to theManagepage to see the backup progress.
After the data backup, you’re free to start the clean install.
Step 1: Clickthe linkto get Windows 10 Media Creation Tool.
Step 2: Connect your USB drive to your PC.
Run this tool and accept notices and license terms.
Step 4: Choose a language, architecture, and edition to go on.
Step 5: SelectUSB flash driveand finish all the operations by following the on-screen instructions.
Read this post to know what you should do.
After getting the bootable USB drive, you might use it to clean install Windows 10.
Step 2: Choose a language, time format, and keyboard input.
Step 3: Click theInstall nowbutton.
Step 4: ClickI dont have a product keyand choose an edition.
Step 5: ClickCustom: Install Windows only (advanced).
Step 6: Complete all the operations by following the instructions on the screen.
Via this way, you wont meet the issue Windows 10 stuck on making sure youre ready to install.
Take it easy and you’re able to easily solve this issue with the above methods.