我认为你没有尝试过google。亲切地请查看下面提到的链接，你会得到解决方案。

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Hello All,

Im a amateur programmer in SharePoint, till recent times i have been doing my practice in cloudshare which is a very good environment for doing SharePoint. But as it is only a 15 days trail im finding wats and means to get a new one for my SharePoint practice.. In this process i gt to know abt office 365 supporting SharePoint 2013...

Any one has any idea about how to launch the web app and connecting a db, doing changes in it, etc... In this im facing difficulties how to access and use the web application. It could be a great help if any one help me in this regards.

Thanks for help...

I supposed to that you had not tried the google. so kindly please check below mentioned links you will get you solution.
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Link 5[^]