Hardware Overview:
Model Name: MacBook Pro
Model Identifier: MacBookPro5,5
Processor Name: Intel Core 2 Duo
Processor Speed: 2.26 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 3 MB
Memory: 2 GB
Bus Speed: 1.07 GHz
Boot ROM Version: MBP55.00AC.B03
SMC Version (system): 1.47f2
Hardware UUID: 9B50D407-166A-5FBE-BB3D-8D7ADCB207C4
Sudden Motion Sensor:
State: Enabled
MacBook Pro (13-inch Mid 2012)
Open the Mac App Store and download El Capitan, or if desired, order a download code for Lion 10.7 or Mountain Lion 10.8 from the online Apple Store.
Back up your data and check your applications for compatibility before upgrading; you should also install more RAM in the computer first. In particular, Mac OS X 10.7 and newer don't support PowerPC programs such as versions of Microsoft Office prior to 2008.
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Note that your Mac will be very slow since it only has 2 GB or RAM.
I would Mac out the RAM with 8 GB (2x4 GB)
https://eshop.macsales.com/shop/memory/Apple_MacBook_MacBook_Pro/Upgrade
Update MacBook Pro above 10.6.8?
