Downgrade windows 7 ultimate to professional

If you want your licence to be truly valid, you should clear the procedure with MS - doubtful. Or wait a few days for the correct key to install Pro, whichever comes soonest. I already have a legitimate Pro key, it's just that I have already installed the Ultimate without any key. How do I downgrade my Ultimate to Pro without reinstalling so that I can activate my Windows because as it is now, my Ultimate will not accept my Pro key. When I installed Ultimate I thought if I put in a Pro key later, Windows will downgrade automatically but that seems not to be the case.

Menelmarar Supreme [H]ardness. Joined Feb 15, Messages 5, You can't. You can only do a "custom install", meaning wipe and fresh install. Database Detroit Redbirds!!! Joined Jan 22, Messages 2, Menelmarar said:. Click to expand Thuleman Supreme [H]ardness. Joined Apr 13, Messages 5, Joined Mar 10, Messages Looks like I have to reinstall it unless some guy knows some trick to downgrade it without reinstalling, maybe joe average. I'll wait until I run out of the rearm to reinstall since I already have my system running exactly the way I wanted.

Thanks for the reply. Aside from the above features, there are some other differences between the two versions of Windows. As a result, you can still upgrade to Windows 10 from Windows 7 or Windows 8. Home » Windows. Create a free Team What is Teams? Learn more. Downgrade from Windows 7 Ultimate to Professional without reinstall? Ask Question. Asked 10 years, 3 months ago.

Active 4 years, 9 months ago. Viewed 94k times. Can't find exact same scenario on other Qs so posting this Did not activate and using 30 day period. Simply don't want to reinstall and move to professional ver. Improve this question. Tom Tom 3 3 gold badges 8 8 silver badges 17 17 bronze badges. Add a comment. Active Oldest Votes. Improve this answer. James Mertz Dan Dan 2 2 silver badges 4 4 bronze badges.

Start Upgrading even this sounds absurd : After successfully downgrading the welcome screen shows the new version: Also the program "winver" shows the successfully downgrading: All data, documents, music and movie files, installed driver and programs, shortcuts, program and user settings are retained.

Community Bot 1. Jaysen Jaysen 1 1 silver badge 2 2 bronze badges. Please include the gist of the linked web page in your answer, otherwise it'll become useless once the web page is removed. All of these images are hotlinked, it'd be good for someone to rip them and re-upload to SU. Yes No. Sorry this didn't help. Thanks for your feedback. I just found Win 7 Pro may be better since it will be supported for longer time until You can use an Upgrade or Full Windows 7 disk to do a custom clean install.

This will remove all your programs, but you can save your files and settings to external storage before doing so. You will have to reinstall all your programs after installing Windows 7. Here are the steps:. Backup all your files and settings to avoid losing docs, photos, and other information. Windows Easy Transfer is a free tool to copy files not programs from your PC, and then transfer them back after you install Windows 7.

Note: Easy Transfer will not work when changing languages, or when going from 64 bit to 32 bit it will work going from 32 bit to 64 bit. If you downloaded some programs from the Internet you can redownload them.

Then you're done - enjoy Windows 7.