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The host device becomes the centre of this small network. Its wireless hardware, power state and upstream connection determine whether the other devices can stay online.
Start with the connection you already have
| Your internet source | A possible host | Check first |
|---|---|---|
| Ethernet connected to a Windows PC | A PC with compatible Wi-Fi hardware | The wired connection works and the network permits sharing |
| Wi-Fi connected to a Windows PC | A PC whose adapter and driver support this arrangement | Windows offers the intended source and can start its hotspot |
| A phone’s mobile data | The phone’s built-in hotspot | Your plan permits tethering and has enough data |
| No working internet source | None for internet sharing | A local wireless network alone does not supply internet access |
Use a Windows PC for a temporary hotspot
Try the Mobile hotspot option built into Windows first. Choose the active source connection and review the network details before enabling sharing. Our create-a-hotspot guide gives the setup sequence.
For the current Free WiFi Hotspot application, the host must run Windows 11 or Windows 10 version 2004, build 19041, or later. It also needs supported Wi-Fi hardware. An Ethernet port by itself cannot broadcast a wireless network.
Use a phone when mobile data is the source
Android provides hotspot and tethering controls, while iPhone provides Personal Hotspot. Connect the receiving device through its ordinary Wi-Fi settings. A separate Windows installer is not needed to turn on a phone’s hotspot.
Read your mobile plan before a long session. Large downloads, cloud backups and video on connected devices can use the phone’s data allowance.
Plan for the host to stay available
When the host sleeps, shuts down or loses its upstream connection, the devices depending on it may lose access. For an always-on home network, a dedicated router may be a more practical choice.
- Keep the host powered for the session and check its sleep settings.
- Start with receiving devices nearby and move them only after the connection works.
- Use a password and share it only with the people who need access.
- Switch off the temporary hotspot when the session is finished.
Keep local networking expectations separate
Internet sharing is the focus of this guide. Printer discovery, file sharing and device-to-device services can have their own requirements. A successful internet connection does not guarantee that every local-network feature or isolation setting will match a dedicated router.
Frequently asked questions
Can I get internet without any internet provider or mobile plan?
A hotspot shares a connection; it does not create an upstream internet service. You need a permitted connection from a provider, venue or mobile plan.
Can an Ethernet-only desktop create Wi-Fi?
It needs compatible wireless hardware as well. Software cannot turn an Ethernet port into a Wi-Fi radio.
Can I receive and share Wi-Fi on the same PC?
This depends on the wireless adapter, driver and Windows configuration. Check the options available on that particular PC rather than assuming every adapter can do it.
Is this a permanent replacement for a home router?
It can be useful for temporary sharing. A dedicated router is often more practical when you need an always-on network that does not depend on a computer staying awake.
Turn your compatible PC into a sharing point
Free WiFi Hotspot is free Windows software for an existing connection. Check the Windows version and Wi-Fi hardware on the host before downloading.
Download Free for Windows