Before I buy a few questions!

I have a few questions before I buy:

Will it work on Windows 8.1
Does it work for 64bit computers
Any bugs?
and do you guys have a good detection rate?

1."Supported OS: Windows Vista / 7 / 8 (32-bit & 64-bit)."
2. No
3. Yes.

[quote='Schwagstika' pid='8791' dateline='1403053561']
1."Supported OS: Windows Vista / 7 / 8 (32-bit & 64-bit)."
2. No
3. Yes.
[/quote]

Thank you