Open below webpage in a browser:

https://www.microsoft.com/software-download/windows11

 Go to the section of "Create Windows 11 installation media", and click "Download Now"

MediaCreationTool.exe will be save in your download folder.

Click on MediaCreationTool.exe to run the program. Follow the step-by-step guide to download the ISO on USB flash drive.

Open below webpage in a browser:

https://www.ccleaner.com/ccleaner/download/standard

ccsetup631.exe will be save in your download folder. 631 is the program's version number and could change over time. 

Open below webpage in a browser:

https://www.microsoft.com/en-us/software-download/windows10

 Go to the section of "Create Windows 10 installation media", and click "Download Now"

MediaCreationTool22H2.exe will be save in your download folder. 22H2 is the latest Windows version number and could change over time. 

Open below webpage in a browser:

https://7-zip.org/download.html

7-Zip is a file archiver with a high compression ratio.

7-Zip is free software with open source. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.

Open below webpage in a browser:

https://www.malwarebytes.com/adwcleaner

Click "FREE DOWNLOAD" button.