Internet Explorer 11, which will come with the release of Windows 8.1 very soon, is also available for other Operating Systems. Most notable is the developer preview which is available for Windows 7 SP 1 and Windows 2008 R2 SP 1.
You can get the download from here. It is available in multiple languages and it is available in 32 Bit and 64 Bit:
The 32 bit version is roughly half the size (in terms of download)