Sign a Services Provider License Agreement or a SPLA Essentials Agreement.
If you have an indirect agreement or are new to the SPLA program, contact a SPLA reseller in your region to sign a Services Provider License Agreement.
Microsoft Services Provider License Agreement (SPLA) is a licensing program that enables service providers and ISVs with a hosted offering to license Microsoft products on a monthly basis to provide services and hosted applications to their end customers. The SPLA program offers two ways to license the Microsoft products you need to host software services and applications for customers –SPLA and SPLA Essentials.
What's in it for you?
No Upfront Costs or Volume License Commitments
Most Current Product Versions You have access to the most current versions of products available in the program which you can access via free download from Microsoft.
Pay Based On Usage Monthly usage-based cost means you pay only for what was made available the previous month
Worldwide Distribution Use Microsoft licensed products to sell your services in any part of the world
Customer evaluations Use licensed products to provide software services to your prospective customers on a trial basis for up to 60 days
Customer demonstrations You can have up to 50 active user IDs for demonstration purposes