OK I've found that with my R5 the time is not reliably sent across. I prefer using the Canon software on my iPhone in most use cases because it gives a more reliable GPS signal, and the time is updated from the iPhone.
I had issues with scanning with the Canon Utilities, so switched to an paid app called VueScan. I have been using it without problems for many years and can recommend it. I have just checked and it has a 64 bit version, but I do not know yet if Canon...
