I'm installed the Insider Preview (build 10074) in dual-boot and it's work very fine.

[anon(9226130)]

Yesterday I given a try to Windows 10 and installed on my only PC (low-end) and It's very smooth and works fine. Only one issue is Store BETA; I can't download apps, always "Working...". But the stable version of Store is works great.

 

[Avik Biswas]

i also dual booted mine yesterday, it is working fine. i don't have the store problem though, it works fine :/
but cortana can't hear me, nor can i hear her