I use Windows 7 on my desktop pc. I have Windows 10 on a laptop but do not like it. I use at work as well.
Protect your pc and backup files. Some are free and others cost some money.
Webroot - anti virus
Malwarebytes - anti spyware / ransomware
EaseUS Todo Backup Home 11.5 - backup files
FreeFileSync - backup files - free
RealTimeSync - backup files - free
MiniTool Partition Wizard - partition the hard drive - free
LibreOffice (free) - replace Microsoft Office
Wordperfect - Office
CCleaner - cleanup pc - free
4K Video Downloader - free
GIMP 2.10.12 - paint program - free
Oracle VM VirtualBox - run programs in a virtual windows such as Windows XP or Windows 7, Windows 10, Linux - free
TFC - Temp File Cleaner - free
Long Path Fixer - when Windows won’t let you copy file elsewhere - free
TakeOwnershipEx - when Windows will not let you rename or delete a file - free
Tweaking.com - Envelope Printer - free
Dreamweaver cs6 - make webpages
Expression Web 4 - make webpages - Free
FileZilla Client - FTP program to upload webpages/files to your site - free
FileZilla is a super easy FTP, works very well