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Microsoft Windows 10 Pro OEM is a full version of the operating system intended for system builders and PC manufacturers.

It includes all features of Windows 10 Home plus additional tools for business and professional use.

Features include BitLocker encryption, Remote Desktop, Hyper-V virtualization, and domain join.

OEM licenses are tied to the first computer they are installed on and cannot be transferred to another PC.

It is typically more affordable than retail versions but lacks official Microsoft support.

Suitable for custom-built PCs, refurbished systems, or system integrators.

Requires a clean installation; cannot be used as an upgrade from a previous version.

Activation is done via a product key and usually cannot be used on multiple devices.

Microsoft Windows 10 Pro is a professional edition of the Windows 10 operating system designed for business and advanced users.

It includes all features of Windows 10 Home along with advanced tools like BitLocker, Remote Desktop, and Group Policy Management.

Supports domain join and Azure Active Directory for business environments.

Offers enhanced security and management features suitable for workstations and enterprises.

Allows virtualization through Hyper-V and access to Windows Sandbox for secure testing environments.

Can be transferred to another PC if it's a retail version, unlike the OEM version.

Provides access to updates and support from Microsoft.

Ideal for professionals, IT administrators, and small to medium-sized businesses.