the installation in such a macbook (in my case, a MacBook Pro - early 2011) -13 inch with 2.3GHz i5) is really easy to do for any halfway steady hand. you only need a screwdriver for Apple products (no pentalobe!) or a tiny Phillips screwdriver, as the heads of the 10 screws but are very small.
and who wants to not do RAM upgrade without guidance and not resort to YouTube movies for which there Apple a nice clear guidance of RAM change the print or abgucken:
[...]
Conclusion: great and very inexpensive, this Corsair RAM.
Hello