Apple officially ended support for QuickTime for Windows in 2016. Using the legacy software poses significant security risks as vulnerabilities are no longer patched.
Instead of a plugin, look for extensions that act as media players. google chrome quicktime plugin download
This is highly discouraged by security experts and Apple itself. Source: Apple Support: Download QuickTime 7.7.9 . 4. External Players: The Safest Bet Apple officially ended support for QuickTime for Windows
Google Chrome moved to a 64-bit architecture , while the legacy QuickTime plugin is 32-bit . They are fundamentally incompatible. google chrome quicktime plugin download