Please Read- All Chromebooks need to be updated periodically.
If your Chromebook is running sluggish check and see if it needs to install updates.
How to Install updates
Your Chromebook automatically downloads software updates when it's turned on and connected to Wi-Fi. After an update is downloaded, you need to install it:
- Look in the status area, where your account picture appears, for the Update icon . This icon shows up only when an update is ready.
- Click Update Restart to update.