If you need vector software that is light on resources or free, consider these legitimate options:
The original software was designed for legacy hardware and remains compatible with older Windows versions: : Intel Pentium 4 or AMD Athlon 64. If you need vector software that is light
La versión portable de Adobe Illustrator CS5 ofrece la ventaja de poder ser ejecutada sin necesidad de instalación, lo que permite a los usuarios llevar su software consigo en un dispositivo de almacenamiento externo y utilizarlo en cualquier equipo sin dejar rastro. Intel Pentium 4 or AMD Athlon 64
For older systems (Windows XP SP3, Windows 7), CS5 was one of the last versions to fully support 32-bit environments with relatively low overhead. Intel Pentium 4 or AMD Athlon 64. RAM: 1GB minimum (2GB recommended). Storage: 2GB of available hard-disk space. Display: 1024x768 resolution with a 16-bit video card. Understanding "Portable" Versions Display: 1024x768 resolution with a 16-bit video card
A Comprehensive Analysis of Adobe Illustrator Portable CS5: A Full Spanish 32-Bit Portable Version
If you are looking to run this version, your system generally needs: Windows XP (SP3), Windows 7, 8, or 10. Processor: Intel Pentium 4 or AMD Athlon 64. RAM: 1GB minimum (2GB recommended).