If you want to run Windows 10 on your machine, your system must meet the following minimum hardware requirements.
- Processor: 1 GHz or faster processor
- RAM: 1 GB for 32-bit or 2 GB for 64-bit
- Hard Disk Space: 16 GB for 32-bit or 20 GB for 64-bit OS
- Graphics Card: DirectX 9 or later with WDDM 1.0 driver
- Display Resolution: 800x600
Windows 10 Minimum System Requirements
Considering that this is the latest OS which MS has to offer, then you’ve got to admit that it’s pretty lightweight.