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?
ASRock B550M Pro SE AM4 DDR4 SATA 6Gb/s 1 PCIe 4.0 x16 Micro ATX Motherboard
$84.99
Gigabyte GA-Q170M-D3H-GSM LGA1151 DDR4 Desktop Motherboard (No I/O Plate)
$39.99
MSI H81M-P33 Desktop Motherboard Intel MicroATX Socket LGA1150 USB 3.0 W/IO
$26.99
Asrock Z390 Phantom Gaming 4S/AC Wifi 8th/9th Gen Intel 1151 Motherboard Bulk
$33.43
ASUS H87I-PLUS, LGA 1150, Intel Motherboard w/ IO Shield
$39.00
GIGABYTE GA-X99-UD4P MOTHERBOARD, M.2 SATA3, LGA2011-3, DDR4, & I/O Shield
$69.99
Micro ATX Desktop Motherboard ASUS H110M-C LGA 1151
$31.95
Asus Prime H310M-A R2.0 Intel LGA 1151 DDR4 Desktop Motherboard
$54.99
MSI PRO B650-P WiFi AMD AM5 DDR5 WiFi 6E ProSeries Motherboard
$107.30
ASUS TUF GAMING X570-PLUS (WI-FI) Socket AM4, AMD Motherboard
$100.00