I have the information available in the Cheatcodes:
Then I have Capricorny's reply on 32 or 64 bitknoppix64
With DVD version 7.4.0 and upward the bootloader will start the 64bit kernel automatically if a 64bit-capable CPU is detected (if not manually specified otherwise).
Which eventually brings me to the obvious question: Is Knoppix 8.6 fully 64 bit? Also, are all packages currently available on the Knoppix DVD 64 bit too?
Pentium III 600B 600MHz 133MHz Bus Speed 512K Slot 1 SECC2 CPU
$15.99
Intel - Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unloc...
$619.99
Intel - Core i7-12700K Desktop Processor 12 (8P+4E) Cores up to 5.0 GHz Unloc...
$419.99
Intel Xeon E5-2697A V4 2.6GHz CPU Processor 16-Core Socket LGA2011 SR2K1
$39.99
AMD Ryzen 9 5950X 16-core 32-thread Desktop Processor
$319.99
Intel Core i5-8500 3 GHz 8 GT/s LGA 1151 Desktop CPU Processor SR3XE
$49.99
Intel Xeon E5-2697 v2 2.7GHz 30M 12-Core LGA2011 CPU Processor SR19H
$27.99
Intel - Core i9-14900K 14th Gen 24-Core 32-Thread - 4.4GHz (6.0GHz Turbo) Soc...
$619.99
Intel Core i5-12400 Desktop Processor With HeatSink
$140.00
Intel Quad Core i3-12100 3.3GHz 12MB LGA1700 12th Gen. CPU Processor SRL62
$45.79