I've just installed Support Pack 15 from http://scn.sap.com/docs/DOC-7824 . I've been told after install it will be working with my VS 2015 on Windows 10. After installation i realased when choosing new item to project crystal report appear on list, but within Toolbox i can't see any crystal report control especially rystal report viewer. Any idea what has to be done to fix it?
UPDATE: Think i was able to solve that by changing Framework 4 client profile to net framework 4 in project properties, after that change controls appears.
NEW QUESTION: When i will publish my app and considering this change - when my client download new published version will not be a problem for him when executing app?
If you are publishing your application using ClickOnce you can download the redistributable files from this page and include them: http://scn.sap.com/docs/DOC-7824
If you can test first with a test machine before rolling out it would be better :)
Someone else was having a similar issue with Crystal Reports, regarding the first part of your question. The solution I gave for that person can be found here: How to integrate SAP Crystal Reports in Visual Studio 2015 Enterprise Edition
Regarding your second question, I'm not 100% sure, but I wouldn't expect your friend to have a problem if you're able to successfully compile and run the app.
Hope this helps.