How to Run A Webserver From Your Computer

There are several advantages, like it might also save you money, as you won't incur fees from hosting providers. Hosting at home can also give you an added layer of privacy and security since your data will stay under your control and at home. This is why many companies host their sensitive information on local or internal servers. However, you will need a strong internet connection and a steady power supply. You also have to know how to keep your server secure from threats. This means managing security measures to protect your data. Additionally, you'll handle any technical problems that come up, like server outages. Unlike paid hosting services, where experts take care of these issues, you will be responsible for fixing them yourself.

It is possible to do so, however, using your computer while it is a server means that you are opening your computer up to unnecessary vulnerabilities. Server = Server PC/Mac/Computer = Computer. Yes, you can do what you're asking, however it is very much urged against doing so.

Yes, but for Windows, you need to learn IIS first, then use the Apache plugin if you need it. Otherwise IIS will work just fine. If you want to move to a free OS like a Linux Distro, then Apache is the way to go.