May 21, 2025 · You can check your system uptime using several built-in tools, including Task Manager, Control Panel, Command Prompt, and PowerShell.

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Uptime is a measure of system reliability, expressed as the period of time a machine, typically a computer, has been continuously working and available. Uptime is the opposite of downtime.

Nov 6, 2024 · Uptime is defined as the period of time when a service, application, or website is available to the end user. It is the opposite of downtime, but unlike downtime, it can't be …

Dec 12, 2025 · Uptime measures if systems run; availability measures if users can access them. Learn the critical differences, how to measure both metrics, and why availability matters more.

Up-Time.io is a free monitoring service that monitors websites, cronjobs, SSL and sends you alerts when it is down or has issues.

Dec 11, 2025 · Whether you're troubleshooting an issue, monitoring system stability, or simply satisfying your curiosity, checking your computer's uptime is a straightforward process. Uptime …

May 5, 2025 · What is Uptime? Uptime refers to the amount of time a system, server, or service remains operational and accessible without interruptions. It is typically expressed as a …