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IE 8 RC 1 is Now Available for Download

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I downloaded and installed IE 8 RC 1 on my machine. It works really well, the performance improvement is significant.

I would encourage you to give it a try, https://www.microsoft.com/windows/internet-explorer/beta/worldwide-sites.aspx.

Disclaimer, this is an Release Candidate, not RTM. There could be some issues, but overall, this is really good.