In some cases, you need convert or upgrade Windows 11 Home Single Language edition to Windows 11 Pro edition without reinstalling.
Step 1: Download the zip file then extract downloaded file. You would have a batch file and a folder.
Step 2: Right click on the batch file the select Run as administrator.
It would take a while, please be patient.
Step 3: Finally, restart your computer then verify your Windows was changed from Home Single Language to Pro edition.