The Windows 10 CRM Demo (sample applications) includes icons and from the following source:
  
Material.io:
Icons from Material.io (https://material.io/icons) are used throughout the sample application. Embarcadero has modified all of the icons hereby used by changing the size and/or fill color (“Derivative Work”). Embarcadero grants you the right to use, reproduce, distribute and modify the Derivative Work by changing the color using RAD Studio. To the extent there are unmodified icons used by Embarcadero, those unmodified icons still governed by the Apache License v.2.0.  
 
Copyright 2020 Embarcadero Technologies, Inc. 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.