Correct, it sees this way now. I started this way with the BIOS changed for not UEFI boot. I wil try now. Thanks
It worked, now it is installing,. The problem was it started in UEFI mode before instead of legacy . Thanks for the help
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I post my last comment in order to thank the people who helped me. At the same time to explain what happened, so others can prevent the issue.
It happened that the winows 11 installer changed the BIOS to UEFI for new boots. So, when I realised that, even with workarouds, the system do not support windows 11 (due to a missing CPU intruction), I decided to install OpenSUSE (I have it in other computers since almost two decades). So the first time the DVD istaller of Tumbleweed started in UEFI modus, and so it didn’t work on my old system. I set back the BIOS to lecacy booting of new supports, and all went smooth. Again, thank you very much and, for what me concerns, the topic can be closed.