There are a great many guides on the net, and the ability to print them has a lot to do with how good you are at using a word processor and including such things as pictures.Here
Before you reinstall, you should have a few things ready. First, you need to back up things you don't want to lose. Include such things as your favorites, emails, pictures, address book and so on.
Second, you'll need your product key, which is often on the side or back of your case, or on the bottom of your notebook.
If you have a commercial computer brand that uses restore disks or a partition with the operating system, you should go to their website for instructions for your particular model.
You should have an antivirus program and firewall ready to install before you go online. And you should install and regularly use such programs as Spybot Search and Destroy, Ad-Aware, and Windows Defender.
In addition, you need to be sure you have all the drivers you need to install your system - such things as printer software and drivers, video card drivers, motherboard drivers, and so on.