This Windows security trick auto-locks your PC when you leave

When you purchase through links in our articles, we may earn a small commission. Dynamic Lock watches for your phone to leave Bluetooth range, then locks Windows. It provides a useful safety net when you forget to lock your PC. I'm pretty good about remembering to lock my PC when I leave my desk, but every once in a while I forget. Thankfully, when I walk away from my computer and my brain is already halfway to the coffee machine, there's an easy way to keep it protected.