Hello Juan
You posted this query to an incorrect SCN Space and I moved it here.
To answer your questions:
You have a choice of using MSM. MSI or ClickOnce deployments. Each has it's own purpose and you will have to determine which serves you the best.
Links to runtime file downloads are here:
http://scn.sap.com/docs/DOC-7824
More info is here:
Deploying Crystal Reports for Visual Studio 2010 runtime
Using Crystal Reports for Visual Studio 2010 Merge Modules (MSM) to create a Setup project
And finally, the Developer Help files will also be of use:
SAP Crystal Reports .NET API Guide
SAP Crystal Reports .NET SDK Developer Guide
- Ludek
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