Most modern Windows computers run on (64-bit) architecture. If you are on an older machine, you might be x86 (32-bit). If you are on a mobile device or a custom tablet, you might be ARM64.
: Drops C-runtime libraries and creates files in temporary and program directories. windows desktop runtime 6.0
They should be left installed unless a specific vendor or support engineer instructs to remove them as part of a repair procedure. Microsoft Learn Most modern Windows computers run on (64-bit) architecture