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?
Lenovo ThinkPad x250 12.5" Touch Laptop Intel i5 8GB RAM 128GB SSD Windows 10
$85.50
15.6" FHD Lenovo Thinkpad P51, i7 6820HQ, 32GB, 1TB SSD, no OS
$200.00
Lenovo ThinkPad T495s Laptop AMD Ryzen 7 PRO 3700U 8GB RAM 256GB SSD Windows 11
$249.99
Lenovo ThinkBook 15 Gen 4 Notebook 15.6" FHD AMD R7 5825U 16GB RAM 512GB SSD
$529.99
Lenovo ThinkBook 15 Gen 4 Notebook 15.6" FHD Intel Core i7-1255U 8GB RAM
$544.99
Lenovo - Legion Slim 5 16" Gaming Laptop WUXGA - Ryzen 5 7640HS with 16GB Mem...
$949.99
Lenovo Legion Pro 5i 16" Gaming Laptop RTX 4070 8GB i9-13900HX 16GB RAM 1TB SSD
$1369.99
Lenovo Ideapad 1i 15.6" FHD Touch Laptop - Intel Core i3-1215U with 8GB Memor...
$329.99
Lenovo ThinkPad T480s Laptop Computer 14" Core i5 8GB RAM 128GB SSD Windows 11
$208.99
Lenovo I7 Ideadpad Gen 3 Business Laptop
$620.00