On Windows, open Settings > Network & Internet > Mobile hotspot, choose internet source, set SSID and password, turn on hotspot, and connect devices via Wi-Fi. 2. On macOS, go to System Settings > Network > Internet Sharing, select source connection (e.g., Ethernet), choose Wi-Fi under "To computers using," configure Wi-Fi name, channel, security, and password, enable Internet Sharing, confirm warning, and connect devices. 3. Ensure internet source remains active, use strong passwords, monitor battery and heat, avoid exceeding data limits, and turn off hotspot when not in use for security and power saving.
You can turn your computer into a hotspot to share its internet connection with other devices like smartphones, tablets, or laptops. Here’s how to do it on both Windows and macOS.

On Windows (Windows 10 and 11)
Windows lets you create a mobile hotspot easily through built-in settings.
-
Open Settings
- Press
Windows I
to open Settings. - Go to Network & Internet > Mobile hotspot.
- Press
-
Set Up the Hotspot
- Under "Share my Internet connection from," choose the source (e.g., Wi-Fi, Ethernet).
- Click Edit to set a network name (SSID) and password.
- Make sure the password is strong (at least 8 characters).
-
Turn on the Hotspot
- Toggle Mobile hotspot to On.
- Windows will generate a network name and password (shown under the toggle).
-
Connect Devices
- On your other device, go to Wi-Fi settings.
- Find the network name you set, connect, and enter the password.
? Note: Your computer must stay connected to the internet (via Wi-Fi or Ethernet) to share the connection. The hotspot uses your computer’s network adapter, so performance depends on your hardware.
On macOS (Using Internet Sharing)
macOS doesn’t have a one-click hotspot, but you can use Internet Sharing to achieve the same.
-
Open System Settings (or System Preferences)
- Go to System Settings > Network.
-
Enable Internet Sharing
- Click the three dots (???) or go to the menu bar and select System Settings > General > Sharing.
- Find Internet Sharing and click it.
-
Configure Sharing
- Check the box next to Internet Sharing.
- Choose your internet source (e.g., Wi-Fi, Ethernet) under "Share your connection from."
- Select Wi-Fi under "To computers using" (this creates the hotspot).
-
Set Wi-Fi Options
- Click Wi-Fi Options to set:
- Network Name
- Channel (usually leave default)
- Security (WPA2/WPA3)
- Password (required)
- Click OK.
- Click Wi-Fi Options to set:
-
Turn On Internet Sharing
- Check the box to enable it.
- A warning may appear — confirm you want to continue.
-
Connect Devices
- On your phone or tablet, search for Wi-Fi networks.
- Find your network name, enter the password, and connect.
?? Caution: Internet Sharing can sometimes disable your main Wi-Fi connection. To avoid this, use a secondary connection source (like Ethernet) to share with Wi-Fi devices.
Tips and Things to Keep in Mind
- Battery and Heat: Running a hotspot can drain your laptop’s battery and increase heat. Keep it plugged in if possible.
- Speed: The hotspot speed depends on your original internet and your computer’s wireless adapter.
- Data Limits: If you’re using a metered connection (like cellular tethering), sharing it via hotspot can quickly use up data.
- Security: Always set a strong password to prevent unauthorized access.
Basically, turning your computer into a hotspot is a handy workaround when you don’t have a router or mobile hotspot device nearby. Just remember to turn it off when not in use to save power and stay secure.
The above is the detailed content of How to use a computer as a hotspot. For more information, please follow other related articles on the PHP Chinese website!

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