In the past, many plugins were 32-bit (x86). However, modern computers and DAWs (like Ableton Live 10+ or FL Studio 20+) are 64-bit. Using the ensures:
Native 64-bit processing is more efficient on modern CPUs. Step-by-Step: How to Install ReaPlugs 236 x64 reaplugs 236 x64-install
One of the biggest reasons people search for this specific x64 install is for . In the past, many plugins were 32-bit (x86)