Think of this as a middle ground between a full shutdown and sleep mode. When you power up, your computer accesses the temporary files instead of launching from a cold startup. Your computer creates a temporary file when it shuts down, much like in hibernation mode. As the name implies, Fast Startup will speed up the Windows 10 startup time, so you can get to work sooner. It’s a little on the nose, but it’s a useful tool.
Our first tip on how to speed up Windows 10 startup is to turn on the Fast Startup feature.