A: Only if you are behind a hardware firewall (router), do not browse suspicious websites, and use a modern antivirus. Since there are no security patches, malware spreads like wildfire on Win7.
Before you wipe your current drive, use a tool like Macrium Reflect to make a full backup. You will likely need to go back to Windows 10 or 11 someday, and you will want that escape route ready. windows 7 64-bit iso file download
Websites like heidoc.net (Joachim Schmitz's Windows ISO Downloader) have reconstructed the database. You can use the Windows and Office ISO Download Tool (open source, safe) to fetch the exact 64-bit ISO for your edition. A: Only if you are behind a hardware
These ISOs do not contain any updates (Service Pack 1 might be missing or outdated). You will have to download 6+ months of Windows Updates after install. You will likely need to go back to