To install:
I also play the Fifa series for many years (not always with complete satisfaction, which relates to the development of EA), I have been an Origin account.
Download the Origin launcher, enter the code, launch download, install, done. For me it was doing no complications.
For performance: I have a fairly powerful PC and have in my career with a buddy (2 player, makes a lot of humor) 26 other leagues that are simulated at the same time (you can adjust everything in advance and the game delivers an estimate of how much your PC is required). Everything runs smoothly, the load times are within the scope and crashes there with me really only when we've a really long session, + who say 6 hours. Go and there was in the meantime enough Autosaves so lost a maximum of 10-15 minutes (we do after every game a fast saves).
For game in:
I have charged me the following free update:
[...] EDIT: Since the Search link is not displayed, just Google for "Football Manager Update 14/15" and go to the first link.
A few words about the updates:
Ü BER RA IMPLIED. It is of private players, who have taken the trouble. Very easy automatic installation and you've got FM13 on the stand of the season 14/15 with all current youth players, players (to the league), managers, coaches, stadiums with profile pictures and realistic assessments. Could not be better. This increases the fun extreem in my eyes.
I also like the endless contract options when it comes to bonus payments, lending, purchase options etc. And the depth of the entire management of the price of Fantasse in the fan shop on the ticket price of the posts in the South Stand to private purchase of noncontrolling football clubs on the stock exchange. Tactics settings, faithful training camps, publicity and team actions, player interviews etc. pp there is also enough, in my opinion. Apart from the few crashes after really long sessions, are struck me after 3 weeks no further bugs that imposing limit the flow of the game in any manner. Hope it remains.
Conclusion:
For 8,99 an absolute buy recommendation. Since it's my first FM, I can not judge whether the previous parts were actually better or it was just a database update, but as a first purchase for the price and the free update (my recommendation), you can not go wrong. EA has surprised me for a long time again positive.