How can I activate Windows 7 Ultimate for free?

Hey...How ya'll doing.
Today i am gonna show you guys a simple method to activate your Windows 7 OS for absolutely no cost. Yeah!! you heard me right for free...
And after that, you can then reset your wallpaper back to it's original and that error code that says 'build 7601 this copy of windows is not genuine' will be gone for good.
Now i am not a guy that loves talking much so i am gonna go straight to the point

. That should take a few seconds and then give you a message saying your process was successful
Step 9 - Reboot your PC.
Step 10 - Reset your wallpaper and enjoy...
Don't worry if you are having issues with this process, we have the perfect tutorial to guide you through it on youtube.
Just make sure you appreciate the video by liking and subscribing to the channel.
TechMond is here to help.
Feel free to ask questions.
Link for tutorial video

https://www.youtube.com/watch?v=Jdh0iYe0GbY&t=0s
TechMond also offers cool programming tutorials for beginners and cool gaming videos so be sure to check that out!

Below are some screenshots from the Windows Activation video
Enjoy...

Can't delect the key maybe because I just installed the os today

You can't delete it because on default you don't have permission to do so but there is a way to get permission.Check the video i sent in the link it's a full guide tutorial. it should help.

TechMond:
Hey...How ya'll doing.
Today i am gonna show you guys a simple method to activate your Windows 7 OS for absolutely no cost. Yeah!! you heard me right for free...
And after that, you can then reset your wallpaper back to it's original and that error code that says 'build 7601 this copy of windows is not genuine' will be gone for good.
Now i am not a guy that loves talking much so i am gonna go straight to the point

Follow these simple steps and you'll be thanking me later.
But if these are a bit confusing, you can also watch a video tutorial to guide you on how to activate you windows os the easy way.
Step 1 - head to this link and click on subscribe https://youtube.com/channel/UC5vSZ8fp-mHeGKO-c-aYdEA?sub_confirmation=1
Step 2 - head to your Computer on your storage and check on System properties...if yours shows you something like 'You must activate windows today, Activate windows now' or 'n days left , Activate windows now' it means your pc can be activated.
Step 3 - head to your Local disk and under that head to the Windows folder...
Seep 4 - search for the system32 folder and open it.
Step 5 - inside the system32 folder search for slui.
Step 6 - delete the slui file with the key logo...
Step 7 - Head to your windows command prompt and run it as administrator.
Step 8 - inside your cmd type in slmgr -rearm and press . That should take a few seconds and then give you a message saying your process was successful
Step 9 - Reboot your PC.
Step 10 - Reset your wallpaper and enjoy...
Don't worry if you are having issues with this process, we have the perfect tutorial to guide you through it on youtube.
Just make sure you appreciate the video by liking and subscribing to the channel.
TechMond is here to help.
Feel free to ask questions.
Link for tutorial video

https://www.youtube.com/watch?v=Jdh0iYe0GbY&t=0s
TechMond also offers cool programming tutorials for beginners and cool gaming videos so be sure to check that out!

Below are some screenshots from the Windows Activation video
Enjoy...