Here are the system requirements to run Internet Explorer 10 in Windows 7.
1 gigahertz (GHz) or faster with support for PAE, NX, and SSE2
1 gigabyte (GB) (32-bit) or 2 GB (64-bit)
Hard disk space:
16 GB (32-bit) or 20 GB (64-bit)
Microsoft DirectX 9 graphics device with WDDM driver
Internet access (ISP fees might apply)
You can download Internet Explorer 10 here.