Visual Studio 2012 remains relatively light, but don't overlook these minimums: 1.6 GHz or faster. RAM: 1 GB (use 1.5 GB for virtual machines). Disk Space: At least 1 GB of available space.
If the "Preparation" or installation fails: visual studio 2012 update 5 preparationexe top
: Security software may flag preparation.exe as it performs deep system scans, leading to performance bottlenecks. How to Install and Manage the Update Visual Studio 2012 Update 5 - Microsoft Support Visual Studio 2012 remains relatively light, but don't
The "preparation" phase of the installer handles background tasks to prevent installation failure: Visual Studio 2012 remains relatively light