2017-10-06：pycharm最新为2.3版本：
2017-12-8: pycharm 最新版为3.0
2018-1-22 pycharm最新版为3.3
2018-4-3 pycharm最新版为2018.1
2018-10-15 pycharm最新版为2018.2.4
2019-3-7 pycharm最新版为2018.3.4
最新激活方法：
使用code改hosts屏蔽验证：
添加这个：0.0.0.0 account.jetbrains.com 到以下目录中的hosts(是hosts文件，不是host.conf，注意改完访问相应网站进行检查确定修改正确)文件:
- windows:C:\Windows\System32\drivers\etc
- Linux或者mac:/etc
打开pycharm，选择Activate code（用激活码激活），填入以下的注册码：
56ZS5PQ1RF-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-SYSsDcgL1WJmHnsiGaHUWbaZLPIe2oI3QiIneDtaIbh/SZOqu63G7RGudSjf3ssPb1zxroMti/bK9II1ugHz/nTjw31Uah7D0HqeaCO7Zc0q9BeHysiWmBZ+8bABs5vr25GgIa5pO7CJhL7RitXQbWpAajrMBAeZ2En3wCgNwT6D6hNmiMlhXsWgwkw2OKnyHZ2dl8yEL+oV5SW14t7bdjYGKQrYjSd4+2zc4FnaX88yLnGNO9B3U6G+BuM37pxS5MjHrkHqMTK8W3I66mIj6IB6dYXD5nvKKO1OZREBAr6LV0BqRYSbuJKFhZ8nd6YDG20GvW6leimv0rHVBFmA0w==-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
即可进行激活，激活有效期2020.3.2。
3.3版本之前：
激活方法：服务器证书激活（server license）
激活码：http://idea.imsxm.com/
如果上述激活码失效则试这个：http://idea.liyang.io
经测试上面两个都失效了，现在可以使用这个：https://jetlicense.nss.im/
正式版下载网址：http://www.jetbrains.com/pycharm/download/#section=windows
使用方法：
1、在第一次安装激活选项中选择第三项server，填入激活码即可；
2、在老版本升级后点击先试用，然后进入系统后进行注册，与方法一相同。
Thank you!