how to determine pc boot up time,
1. **Open Task Manager:**
- Press `Ctrl + Shift + Esc` to open Task Manager.
2. **Navigate to the Startup Tab:**
- Click on the `Startup` tab.
3. **Check Last BIOS Time:**
- At the top-right corner, you will see the `Last BIOS time` which indicates the time taken by the BIOS during the last boot process.
