If you want to access your computer via your phone from anywhere, you can try a remote desktop app. However, if you don't ...
Remote access — the ability to control a computer from a different location over the network — might not be something you need to use every day. However, it does come in handy in certain situations.
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Remote PC access — is it safe?

Connecting to any device over the internet, as you would through remote PC software, has risks. Follow these practices to access remote PCs securely.