Downloading Cisco IOS/NX-OS from unofficial sites is risky (malware, backdoors) and violates Cisco’s licensing. Always use official sources.
Switches > Data Center Switches > [Your Nexus Model] > NX-OS System Software Verify the Integrity: Once you find the 7.0(3)I7(9) release, always copy the MD5 or SHA512 checksum provided by Cisco. Use the show file bootflash:nxos.7.0.3.I7.9.bin md5sum nxos703i79bin download link
: Type your specific switch model (e.g., "Nexus 9300") in the search bar. Select Software Type : Choose NX-OS Software . Downloading Cisco IOS/NX-OS from unofficial sites is risky