Read this carefully please:
Replying to yourself and ignoring a fellow AMD user that took the time and tried to help you out by explaining the situation, even if i am giving 100% wrong advice, is considered a bit rude, to say the least.
Read this please:
Or use the link you posted and go to the supported products tab.
In short, it is a legacy gpu with limited support, so the latest drivers won't be compatible with the HD3450. Use windows update instead.
Given the chance, i suggest to upgrade to HD5000 or above, preferably with an R7 or R9 200/ 300 series.