If they listed a specific version, from where would you download it? My current Chrome is "45.0.2454.101 (64-bit)" but I couldn't tell you if my life depended o

If they listed a specific version, from where would you download it? My current Chrome is "45.0.2454.101 (64-bit)" but I couldn't tell you if my life depended on it what version I had last week (44? 45.023? who knows?).