win7发布时间(旧电脑越来越慢，想重装给小孩学习用，是XP好还是win7好)

{!-- PGC_VIDEO:{"thumb_height": 720, "vposter": "https://p3-sign.toutiaoimg.com/mosaic-legacy/2f3ef0001bbc5433cbea3~noop.image?x-expires=1978490089&x-signature=ThFuuu8JaJZnfbWJXZahiiyNW8I%3D", "thumb_width": 1280, "vid": "v02016150000borr9jjivfcuiq4qgpu0", "vu": "v02016150000borr9jjivfcuiq4qgpu0", "duration": 83.77, "thumb_url": "2f3ef0001bbc5433cbea3", "thumb_uri": "2f3ef0001bbc5433cbea3", "video_size": {"high": {"duration": 83.77, "h": 720, "w": 1280}, "ultra": {"duration": 83.77, "h": 720, "w": 1280}, "normal": {"duration": 83.77, "h": 720, "w": 1280}}} --}

建议你看一下我的视频，希望你满意。如果你喜欢点个赞呗。