Bundling and tying claims fail where users retain choice and no foreclosure or innovation harm is shown.

The CCI examined whether bundling Microsoft Defender with Windows OS and requiring MVI membership for Microsoft Store listing and Windows interoperability amounted to abuse of dominance under Section 4 of the Competition Act, 2002. It found that users retained meaningful choice to install third-party antivirus products, OEMs could pre-install alternatives, and rival antivirus vendors continued to compete and innovate. On that basis, the record did not show unfair conditions, foreclosure, tying, leveraging, or impairment of technical and scientific development. The information was therefore closed at the prima facie screening stage, with no contravention of Section 4 disclosed.

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Issues: (i) Whether the inclusion of Microsoft Defender with Windows OS imposed an unfair condition under Section 4(2)(a)(i) of the Competition Act, 2002; (ii) Whether the conduct impeded technical and scientific development under Section 4(2)(b)(ii) of the Competition Act, 2002; (iii) Whether bundling Microsoft Defender with Windows OS amounted to tying under Section 4(2)(d) of the Competition Act, 2002; (iv) Whether Microsoft leveraged dominance in the operating systems market to protect its position in the antivirus software market under Section 4(2)(e) of the Competition Act, 2002; (v) Whether making MVI membership mandatory for Microsoft Store listing and effective operation in Windows OS violated Section 4(2)(c) of the Competition Act, 2002.

Issue (i): Whether the inclusion of Microsoft Defender with Windows OS imposed an unfair condition under Section 4(2)(a)(i) of the Competition Act, 2002.

Analysis: The relevant markets were identified as licensable operating systems for desktops/laptops in India and desktop/laptop antivirus software for Windows OS in India. Microsoft was found prima facie dominant in the first market. However, users could install third-party antivirus solutions through the internet or the Microsoft Store, OEMs could pre-install alternatives, and non-MVI products could run in parallel with Microsoft Defender. The record did not show compulsion to use only Microsoft Defender.

Conclusion: No violation of Section 4(2)(a)(i) was made out.

Issue (ii): Whether the conduct impeded technical and scientific development under Section 4(2)(b)(ii) of the Competition Act, 2002.

Analysis: No material evidence showed actual or potential impairment of innovation or technical progress in the antivirus market. The sector remained competitive and innovative, and third-party antivirus vendors continued to operate and develop features. The record also did not establish extraction or misuse of technologically privileged information from rival applications.

Conclusion: No violation of Section 4(2)(b)(ii) was made out.

Issue (iii): Whether bundling Microsoft Defender with Windows OS amounted to tying under Section 4(2)(d) of the Competition Act, 2002.

Analysis: The conditions for tying require separate products, dominance in the tying market, absence of consumer choice, and foreclosure of competition. Although Windows OS and antivirus software were treated as distinct products and Microsoft was prima facie dominant in the OS market, users retained the choice to install other antivirus products, and well-known antivirus vendors continued to compete effectively. The alleged foreclosure was not substantiated.

Conclusion: The allegation of tying under Section 4(2)(d) was not made out.

Issue (iv): Whether Microsoft leveraged dominance in the operating systems market to protect its position in the antivirus software market under Section 4(2)(e) of the Competition Act, 2002.

Analysis: Leveraging requires an active restriction or conditionality tied to the use of the dominant product. The materials showed no mandatory restriction on the use of third-party antivirus software, and consumers remained free to choose alternatives without contractual or technical barriers. The antivirus market remained competitive.

Conclusion: No violation of Section 4(2)(e) was made out.

Issue (v): Whether making MVI membership mandatory for Microsoft Store listing and effective operation in Windows OS violated Section 4(2)(c) of the Competition Act, 2002.

Analysis: The MVI program was treated as a facilitative compatibility and security framework rather than a compulsory gatekeeping mechanism. Non-MVI antivirus developers were not barred from distribution through the Microsoft Store or direct downloads, could operate concurrently with Defender, and could communicate with users. The compatibility requirements were found to be reasonable and not exclusionary on the record.

Conclusion: No violation of Section 4(2)(c) was made out.

Final Conclusion: The information did not disclose a prima facie contravention of Section 4 of the Competition Act, 2002, and was ordered to be closed under the statutory screening provision.

Ratio Decidendi: In an abuse of dominance inquiry, alleged bundling, tying, or leveraging will not be made out where consumers retain meaningful choice, the challenged conduct is not shown to foreclose competition, and the record lacks evidence of actual or probable harm to market access or innovation.

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