TP requires a dedicated GPU card, and there's no workaround if you can't add a video card.
There are also a few GPU-accelerated effects that you won't be able to use, but all the other built-in titles and effects will be available.
Since the HD3000 is on 3rd generation CPUs and Intel is now on the 5th and 6th gen, you can imagine that your editing performance will not be anything like it would be on a new machine.
Without seeing the rest of your system specs it's hard to say how well your system will do when editing, but the bottom line is that you'd have greatly improved performance if you're able to get a newer computer.
YouTube/optodata
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