Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
You can just try in AMD Catalyst (the control panel). It's called "AMD Overdrive". Just bump it up in 50 mhz increments, one at a time (do core speed first, then memory).
Test stability using OCCT, MSI Kombustor, or Heaven. If it runs fine, bump it up another notch. When you start to artifact, bring it back down to the last good setting. It may very well run at the OC version without a hiccup.