7 of the top 10 selling computers on amazon are refurbished. Most refurbished are business computers coming from the corporate world. https://www.amazon.com/refurbished-laptop/s?k=refurbished+laptop https://www.amazon.com/refurbished-desktop-computer/s?k=refurbished+desktop+computer If you want to use excel you are going to need windows or a mac. Any windows computer you buy new will be windows 11. Windows 10 on most refurbished. You aren't going to find a computer with any version of windows other than 10 or 11. LibreOffice calc is primitive compared to excel but can fill in fine if your needs aren't advance. OpenOffice is another free alternative to Microsoft Office with an interface that is much closer to excel than LibreOffice. https://www.onlyoffice.com/en/download-desktop.aspx If you want an alternative operating system Linux Mint looks and feels much like windows 7. https://linuxmint.com/ Linux requires less resources than windows. Your current computer would likely be more than adequate. | 
New computer what to look for
