It's all common software. There is nothing to delete. Now that the machine is fast, it doesn't matter. If you have to delete it, it should be Acer's system backup tool and BING BAR, a plug-in of Microsoft's search engine. Everything else is usually needed.

If you want to start quickly, open the 360 security guard you have installed. Full-featured, boot acceleration, one-button optimization, and fast startup speed.