Windows 7 is out of support. Windows 7 had 3 years of ESU support and all 3 years ended by January 2023 (https://learn.microsoft.com/en-us/troubleshoot/windows-client/windows-7-eos-faq/windows-7-extended-security-updates-faq#what-are-the-coverage-dates-for-the-three-windows-7-esu-skus-)
Windows 7 also went through a change from the initial release to last released CU due to the expiring of SHA1 hashing and other security issues.
From a Windows 7 RTM ISO, you need to run
- Step 1 - Windows6.1-KB3050265-x64.msu
- Step 2 - Windows6.1-KB3020369-x64.msu
- Step 3 - windows6.1-kb3125574-v4-x64_2dafb1d203c8964239af3048b5dd4b1264cd93b9.msu
- Step 4 - Windows6.1-KB3172605-x64.msu
- Step 5 - windows6.1-kb4284826-x64_9e172f5bb50206dd65d4f60ac07a82baa1aef525.msu
- Step 6 - Latest & LAST CU for Windows 7 before ESU
You should AVOID Windows 7 use at all costs now that it is totally out of support. If it ran on Windows 7, it will run on Windows 10 and 11.