Why? Because distributing cracked software costs money (for servers, domain names). The "extra quality" repackers recoup costs by bundling malware. A 2019 study by Cybereason found that over 60% of "pre-activated" software downloads from non-official sources contained at least one form of malware.
In the world of gray-market software, "pre-activated" means the installation file has been modified to bypass Microsoft's official license checks. The term "Extra Quality" is often just a marketing buzzword used by uploaders on forums or torrent sites to suggest their specific "crack" is more stable or includes fewer bugs than others. The Core Risks You Need to Know End of support for Office 2010 - Microsoft Support ms office 2010 pre activated extra quality