commonkruto.blogg.se - Downgrade enterprise to pro

If the computer data is so critical, I advise taking a backup of your important data.

Allocate enough time since this will copy your personal data first, downgrade the OS and then copy back your data. Make sure you have enough space in ‘System Partition’ (usually C drive). If the current state of Windows 7 is the latest build and update, then this method may fail because it will not find any updates from the Microsoft catalogue website. So, the process will check the Windows update catalogue online and do the upgrade related to Windows 7 Professional. It is required to enable the option to check the Windows update while doing the installation. Make sure you are typing the exact OS version which is written on your installation DVD.Īfter you changed the registry key, insert the Windows 7 Professional CD/DVD and start the upgrade. In my case, I had to change the key to ‘ Windows 7 Professional ’.

Insert the actual Windows 7 Professional CD and start the upgrade.īefore starting the installation, do change two keys in Registry.

Better take a backup of the registry before doing any changes).

Change registry key and tell Windows that we have the Professional version (Take extra precaution while modifying the registry.

Steps to Downgrade Windows 7 Ultimate to Professional Anyhow, I found a trick to downgrade Windows 7 ultimate to Professional easily without the new installation.

The Ultimate version is the higher version of Windows 7 and it can’t be downgraded to lower versions officially without formatting and doing a fresh installation. The following method is to fake the Windows OS and trick that we have the Professional version installed, then do an upgrade. Even though both are the same Windows 7 family, it is not easy to switch the versions especially backwards. I installed/downgraded Windows 7 Ultimate to the Professional version without formatting or reinstalling OS on one of the computers.