Help on upgrading 10.7.5 El captain in MS Office and other possible issues

Hello!

I have a Mac Book Pro December 2011, OS X 10.7.5. I struggled with the implementation of php and many other issues and have been repeatedly invited to improve my OS. As a newbie in CS, I frankly scared - it's the only computer I have, and I can't lose/break/brick/etc, because I won't be able to fix any serious problem at the moment, not until I know what's best. But I'm really tired of losing time because of low productivity, constant freezing and other issues; and also feel ashamed bothers people on forums like this one, only because I have an obsolete system and lack of appropriate knowledge (the latest is not shameful because I learn, but the first can be really annoying for people who help me).

Please, help me with this question:

(1) is it safe to upgrade directly to el Captain 10.7.5?

(2) If Yes on first, what are the possible problems that may arise and what should I do to avoid problems?

(3) should I reinstall MS Office to upgrade the OS? This is crucial for me because I found out that I have to buy new MS Office, as Microsoft staff informed me. This isn't really the best money for me at the moment.

Thank you very much for your help and your understanding!

-First clone your boot existing to another disk drive.

http://nyacomputing.com/how-to-create-a-bootable-clone-of-your-Mac-hard-drive/

-Consult the developer of your applications if they will work with El Capitan.  Some may require updates and some may simply not work, and you must buy an upgrade. A MS Office for Mac license will be valid when upgrading to El Capitan, if the version you have is compatible with El Capitan.

-In EL Capitan Apple strengthened for some hardware will require drivers drivers updated signature. For some hardware updated drivers are not available.

Tags: Mac OS & System Software

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