Windows 10: Delete windows and install a payed one

So I got my friend to set up my build pc a few years ago since I'm not great with technology, pretty sure he installed some kind of cracked windows. Turns out it is very slow now and I wanna buy a real version of windows 10. How do I do that? Will it cause everything to reset, which means I lose all my plugins and files?

Hope you can help!

submitted by /u/Christschou11
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:)

 

windows xp installation and dual core am

could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx

 

C windows installer folder - Delete?

He can do symbolic link redirection and move the files in it to a different location. *Wink
Better try it out in a virtual of first. Just a suggestion.

Like:
First move everything in c:\windows\installer to d:\installercache
Then delete c:\windows\installer folder
Then type this in command mode as admin
mklink /d c:\windows\installer d:\installercache

Removing those installer files is a bad idea. it might prevent you from updating or uninstalling apps.

 

Windows.old automatically deleted the day after installing Windows 10

A simple websearch would have given you info quicker than complaining about someone suggesting to upgrade to Windows 10 and something causing the Windows.old to be deleted, which I doubt was caused by Microsoft.
Rebuild System Partition

The second way here we can put forward is to rebuild the system partition. If you don't want to pay a penny to do the lost partition recovery, try this method. Note that this requires you have the Windows installation disk. Now follow the instructions to begin.
Preparatory work:
Boot the computer using the Windows installation media for your running OS. Then on the first installation screen, press SHIFT+F10 to bring up the command prompt.
Now run the following commands at the command prompt.
Step 1:
bootrec /fixmbr
Step 2:
diskpart
select disk 0
list partition
select partition n (n is the Windows OS partition)
active
exit (exit diskpart)
Step 3:
bootrec /fixboot
Step 4:
bootrec /rebuildbcd