Short answer: you can create a wireless network without a router by turning a PC or phone into a hotspot, or by using Wi-Fi Direct between devices. This lets you share an internet connection or transfer files directly, no router needed. Here is how, for each situation.
Turn your PC into a hotspot (Windows Mobile Hotspot)
- Go to Settings > Network & internet > Mobile hotspot.
- Choose the connection to share (your Ethernet or mobile connection) and the band.
- Set a network name and password under Edit.
- Turn it on, other devices connect to your PC's Wi-Fi like a router.
Great for sharing a wired or mobile internet connection wirelessly with other devices.
Turn your phone into a hotspot
Both Android and iPhone can share their mobile data as a Wi-Fi hotspot (Settings > Hotspot / Personal Hotspot). Other devices join it to get internet, no router involved, ideal on the go.
Wi-Fi Direct and ad-hoc (device-to-device, no internet needed)
To connect two devices directly, for file transfer or local play, you can use:
- Wi-Fi Direct: lets two devices link directly over Wi-Fi without a router or internet, used by many transfer apps and some printers/TVs.
- An ad-hoc network: an older way to connect PCs directly; the modern replacement is Mobile Hotspot or Wi-Fi Direct.
What each method is for
| Goal | Method |
|---|---|
| Share PC's internet wirelessly | Windows Mobile Hotspot |
| Share phone data | Phone hotspot |
| Connect two devices directly | Wi-Fi Direct / transfer apps |
The non-obvious tip: a hotspot needs a source connection
A key point people miss: a PC or phone hotspot shares an existing connection, it does not create internet from nothing. Your PC needs its own internet (wired or mobile) to share, and a phone hotspot uses your mobile data (watch your data allowance). For pure device-to-device file transfer with no internet at all, Wi-Fi Direct or a transfer app is the right tool. Match the method to whether you are sharing internet or just linking devices.
Frequently asked questions
How do I create a wireless network without a router?
Turn a PC into a hotspot (Windows Mobile Hotspot) or use a phone hotspot to share internet, or use Wi-Fi Direct to connect two devices directly for file transfer.
How do I turn my PC into a Wi-Fi hotspot?
Go to Settings > Network & internet > Mobile hotspot, choose the connection to share, set a name and password, and turn it on. Other devices join it like a router.
Can I connect two devices without internet?
Yes. Use Wi-Fi Direct or a transfer app for direct device-to-device connection, which needs no router or internet, ideal for file transfer or local play.
Does a hotspot create internet?
No. A hotspot shares an existing connection, your PC's wired/mobile internet or your phone's data. For no internet at all, use Wi-Fi Direct instead.
Nice article, thanks for sharing!
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