Apple iMac 21.5 Inch Core i5 1.6GHz, 8GB RAM, 1TB HDD

Using your Apple 21.5 - Inch iMac is a breeze. Just power it on, and you're ready to start your daily tasks like web - browsing, checking emails, or having virtual meetings. For students, it's great for online learning, research, and doing assignments. When it comes to entertainment, you can enjoy movies, music, and play some casual games on its high - definition display. To keep it running smoothly, make sure to keep the software up - to - date. You can do this by going to the software update section in the macOS settings. Also, try to keep the iMac in a well - ventilated area to prevent overheating. If you want to downgrade the macOS, you can do it for free through the official Apple channels. And don't forget to back up your important data regularly, especially before any major software changes.