12-months warranty included! Apple iMac: Get a 21.5" Apple iMac with Microsoft Office included. Pre-installed with Mac OS x 10.6.8. Three HDD options: Choice of 500GB, 1TB or 2TB. Three RAM options: Choose between 4GB, 8GB and 16GB. Upgrade: Get an Apple keyboard and a mouse. Compatible with: Mac OS High Sierra operating system (released in 2017). 21.5" Apple iMac Computer With Microsoft Office | 4GB | Living Social