![]() ![]() The default is not to install the lower version of Windows 7 in the advanced version of the system. ![]() So after upgrading Windows 7 Home Premium to Ultimate, you can't roll back to the low-level Home Premium, so when you use the genuine recovery disk installation, the system will detect that the current version is higher than the installed version, thus rejecting the installation, as shown below. Realized, by default, the version can only be upgraded from low to high (Home Edition & Rarr Ultimate Edition), and the upgrade is implemented by inputting a high version registration code. Different versions are installed with different authorization codes. Starting with Vista, Microsoft will package multiple versions in the same installation file (Install.wim). Is there any way to downgrade to the original? Windows 7 Home Premium? I recently found that my system has become the D version. My computer was originally installed with the genuine Windows 7 Home Premium Edition, but I quickly upgraded to the flagship version with the so-called God KEY on the Internet. ![]()
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