Starting August 6, Microsoft started taking sign ups for the CRM Fall 2015 preview programs for its Dynamics CRM (codenamed "Ara"), Dynamics Marketing (codenamed "Capella"), and Social Engagement (codenamed "Corvus") products.
The preview program for these Fall wave releases starts in September. The Fall Wave will be generally available in the fourth calendar quarter of 2015, Microsoft execs have said previously.
According to Microsoft, Dynamics CRM 2011, 2013 and 2015 already are supported on Windows 10 with the web client and IE 11. Support for CRM 2013 via Edge will come with Update Rollup 4 for Service Pack 1 and for CRM 2015 with Update 7.0.2 and Update 1.1 (7.1.1) in September.