My MacBook Pro is Very SLOW.
I bought my MacBook in 2013. In the last few months it has become very, very slow and barely usable. It is a 13 inch, 2.5 GHz Intel Core i5. 4 GB, 1600 MHz DDR3 of memory. Thank you for any help in advance. It is running on the macOS Sierra 10.12.6.
MacBook Pro, iOS 8.1.3