Thank you all
I have to leave for today
Will come back tomorrow

Have a good night !

In place od det par should it not be del par ?

Can I remove the added partition (with EASUS partition master) ?

I enter the commands, bu t at some point, it failed :

DISKPART> set id=de94bba4-06d1-4d40-a16a-bfd50179d6ac

Erreur du service de disque virtuel :
Le périphérique est en cours d’utilisation.
...

OK

It seems the layout of Disk 0 has changed

OK
I did it

It works fine ... bu t what does that do ? I was a little bit anxious when it sais "System was formatted" !!!!

Ok
I began to download everything I would need, and the associated explanations - I'll read it carefully as it's new territory for me !
No second computer ;-(

I'll keep you informed

Thanks...

I never booted from an USB "stick" !
What would I need ?
I have some "empty" 128 Gb stick - Is it large enough ?
Then, what should I do ?

I would like to upgrade
But before I need to answer some questions
1) How many free space do I need on my system disk ?
2) Why I am not able to do it from the Windows Update function ?
3) Do I...

No I don't have Macrium Reflect or Aomei Backuper
Should I download one of them ? Which one is the best ?

Don't know what it means !

The only partition tool I know and used to clone my initial SSD is EASUS Partition Master that gives :

Result of Diskpart

List disk 0 does not work !

Is that better ?

I added all the useful screen captures about my system

Thanks for your help and your time !

Hello

I noticed that the list of items displayed in contextual menu(s) grows as the number of installed applications grows

How could I remove useless items from the contextual menu(s) - Windows...

Thank you for your answer

I ran "Checkit" and notice a "Partition style" warning, all other items seem correct

I checked on the net and found something aabour "How to convert MBR to GPT" -...

Thank you very much

I'll try it !

Have a good day

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