Hello! Thank you for your question. I am a licensed computer professional with over ten years of experience, and I will be assisting you today.
I'm sorry about the issue. Please let me know the followings, so I can check if your computer can be upgraded:
- Can you please click on the Apple logo/menu at the top left, then click on About this Mac..., then tell me the Processor and Memory?
- Also, there, click on More info... there, then open the Hardware section, then check the Professor name and speed.
- Next, go to Finder/folder. From the sidebar, select your hard disk by clicking it once, as shown below.
, then click on File menu on the top, then select Get Info. The window shown below appears.
, then check the Available: item
Please let me know. Thank you,