Provide anonymous access to sharepoint lists on Office 365 (Sharepoint online)

Problem:
Due to version upgrade in cloud office 365- Sharepoint Online from 2010 to 2013 anonymous access option is not showing and also setting up contributor rights not working.

Solution:

Steps to configure a sharepoint list on my public facing sharepoint site that is accessible for anonymous users:

1. Download the anonymous365 sharepoint solution from http://anonymous365.codeplex.com
2. Go to the “Site Settings” of your public facing site using by example :
   http://sample/_layouts/settings.aspx
3. Go to the “Galleries” section and go to “Solutions“.
4. Click under the “Name” colume and in the ribbon interface under the “Solutions” tab choose “Upload Solution“.
5. Browse to the previously downloaded anonymous365 sharepoint solution : “Wsp365.Anonymous.wsp” and press “OK“.
6. Check the checkbox of the uploaded “Wsp365.Anonymous.wsp” and in the ribbon interface under the “Solutions” tab choose “Activate“.
7. The go to the “All Site Content” of your public facing site using by example:
   http://sample/_layouts/viewlsts.aspx
8. Press “Create“
9. Choose the list type you want, enter a name and press “Create“.
10. Then in the ribbon interface under “List Tools” and “List” press the button “Anonymous Access“
11. Choose what access you want to give anonymous users for this specific list and press “OK”.

Client Object Model Solution Issue due to framework 4.5 version: The type or namespace name 'SharePoint' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?

Solution:

Whenever we create a new project(console,wpf..etc) in Visual Studio 2010,It is targeted to use .net framework 4.0 and SharePoint 2010 need .net framework 3.5 as Target framework.
So solution is simple just go to the properties of your project and change Target framework to .NET Framework 3.5 and you good to go.