Before we discuss where to find the file, we must understand why you specifically asked for the 64-bit version. Microsoft Office has been available in two architectures for years, but Office 2019 represents a turning point.
Searching for the better index implies you want a specific release. Not just any ISO, but one that is: index of ms office 2019 64 bit better
Paste this configuration to force the "better" 64-bit download: Before we discuss where to find the file,
<Configuration>
<Add OfficeClientEdition="64" Channel="PerpetualVL2019">
<Product ID="ProPlus2019Volume" PIDKEY="YOUR-VL-KEY-HERE">
<Language ID="en-us" />
</Product>
<Product ID="VisioPro2019Volume" PIDKEY="YOUR-VISIO-KEY">
<Language ID="en-us" />
</Product>
</Add>
<Updates Enabled="TRUE" />
</Configuration>
Modern CPUs are 64-bit native. Running 32-bit software on a 64-bit OS requires a compatibility layer (WOW64). By running native 64-bit Office 2019, you eliminate this middleman. Calculations in Excel, database queries in Access, and rendering in Word are measurably faster. Paste this configuration to force the "better" 64-bit
Instead of hunting “index of” pages, consider: