In today's digital world, the need to quickly transfer large amounts of data between devices arises regularly. Users often find themselves in situations where they need to transfer photos, videos, or work projects from one computer to another, but don't have a USB flash drive or external hard drive handy. Cloud storage requires time for uploading and downloading, as well as a stable internet connection, which isn't always available.
Creation local network Connecting two laptops via Wi-Fi solves this problem elegantly and efficiently. This method allows you to transfer files at the maximum speed supported by your router, without the need for wires or third-party services. In this article, we'll cover all setup steps in detail, from checking your hardware to troubleshooting possible connection errors.
Preparing equipment and checking settings
Before starting setup, you need to ensure both devices are ready to communicate. The most important requirement is that both laptops must be connected to the same Wi-Fi network. This could be a home router or an access point created on one of the devices. If you're using public Wi-Fi at a cafe or office, administrators often block data exchange between clients for security reasons.
It's also important to check your network profile. Windows operating systems distinguish between "Public" and "Private" networks. For a successful connection, the profile must be set to "Public" and "Private" Private networkIn "Public" mode, the system blocks the device from being discovered by other computers, making it impossible to create a local network.
Make sure the Wi-Fi module is enabled on both laptops and the drivers are working correctly. Sometimes visibility issues can be caused by outdated network card software. Make sure the computer names (hostnames) are different, otherwise the system won't be able to distinguish between them and an address conflict will occur.
Setting up sharing in Windows
After checking the physical connection, we move on to the software. In Windows 10 and 11, sharing settings are located in Control Panel or System Settings. You need to find the section responsible for network connections and enable several key options. Without these, the system will ignore connection requests from other devices.
Open the "Network and Internet" menu, then go to "Network and Sharing Center." Here, select "Change advanced sharing settings." A window with profiles will open, where you should expand the "Private (current profile)" tab.
In this section, you need to enable the following features:
- 🔌 Turn on network discovery (allows other computers to see your laptop).
- 📂 Turn on file and printer sharing (opens access to folders).
- 🔑 Enable password-protected sharing (requires username and password to connect).
⚠️ Note: If you disable password protection, anyone connected to your Wi-Fi will be able to access your shared folders. Only use this mode on trusted home networks.
Be sure to save your changes by clicking the "Save Changes" button at the bottom of the window. The operating system will then apply the new firewall rules and open the necessary ports for local data exchange.
Creating a shared folder for data exchange
Now that the network settings are enabled, you need to determine which files will be accessible to the second laptop. You can share any folder on the drive, whether it's documents, photos, or downloads. The process is simple, but requires careful adjustment of access permissions.
Select the folder you want to share, right-click it, and select "Properties." Go to the "Sharing" tab and click "Sharing." In the window that opens, select "Everyone" (or a specific user) from the list of users and add them, setting the permission level.
For the permission level, usually choose:
- 👁️ Read (the user will only be able to open and copy files).
- ✏️ Read and write (the user will be able to modify, delete, and add new files).
After assigning permissions, click "Share" and then "Done." The system may ask you to confirm this action through an administrator account. The folder is now available on the network, but for the second laptop to see it, you'll need to know the name of the first computer or its IP address.
Search for connected devices and connect
On the second laptop that will access the files, open File Explorer and select "Network" in the left pane. All available devices on the local network should be displayed here. If you see the name of the first laptop, the setup was successful.
If the device doesn't show up automatically, you can connect manually using its IP address. To do this, you'll need to find out your IP address on the first laptop. Open the command prompt (press Win + R, enter cmd and press Enter) and enter the command:
ipconfigFind the "IPv4 Address" line in the wireless network adapter section. Write down these numbers (e.g., 192.168.1.55). On the second laptop, press Win + R, enter two backslashes and the IP address of the first computer (for example, \\192.168.1.55) and press Enter.
The system will prompt you for credentials. Enter the username and password for the account on the first laptop. If the password doesn't work, the first device may have a blank password, which is often blocked by Windows security policies. In this case, you'll need to either create a password or change group policy settings.
☑️ Connection check
Comparing Connection Methods: Wi-Fi vs. Cable
Although this article focuses on wireless connections, it's important to understand the difference between transmitting data over Wi-Fi and over an Ethernet cable (twisted pair). The choice of method depends on your priorities: speed, mobility, or convenience.
Below is a table comparing the main features of both methods of transferring data between laptops:
| Characteristic | Wi-Fi connection | Direct cable (Ethernet) |
|---|---|---|
| Transfer speed | Depends on the standard (up to 800 Mbps) | High (up to 1000 Mbps and higher) |
| Stability | May fall due to interference | Maximum stability |
| Mobility | High (no wires) | Low (location-based) |
| Difficulty of setup | Medium (requires software configuration) | Low (often works automatically) |
If you need to transfer 100 GB of data, a cable will be significantly faster and more reliable. However, for regularly sharing documents and photos within an apartment, Wi-Fi provides sufficient speed and is much more convenient to use.
⚠️ Please note: Wi-Fi transfer speeds directly depend on the distance to the router and the number of walls between laptops. Under ideal conditions, speeds can reach 50-80 MB/s, but in reality, they often range from 5-15 MB/s.
Troubleshooting access issues and errors
Despite the apparent simplicity, users often encounter errors when attempting to connect. One of the most common is "Windows cannot access..." This can be caused by antivirus software blocking the connection, an invalid network profile, or disabled services.
Check if the WS-Discovery Discovery Resource Publishing service is enabled. To do this, click Win + R, enter services.msc and find the specified service in the list. Make sure it is running and the startup type is set to "Automatic."
Third-party antivirus software (Kaspersky, ESET, Avast) can also cause problems. They may block incoming connections, deeming them suspicious. Try temporarily disabling your antivirus's firewall or adding your local network to the trusted list.
What should I do if the requested password does not work?
The problem often stems from the target computer (the one we're connecting to) using a Microsoft account with a blank PIN or biometrics. In this case, Windows requires the Microsoft account password, not the PIN. If the password is forgotten or doesn't work, create a new local user with a simple password specifically for network connections.
Alternative methods of fast transfer
If setting up a local network seems too complicated or time-consuming, there are alternative methods that don't require extensive Windows knowledge. These may be less effective for large files, but are ideal for quickly transferring documents.
One of the most convenient modern methods is to use Nearby Sharing in Windows 10 and 11. It works similarly to AirDrop in macOS. Make sure Bluetooth and Wi-Fi are enabled on both laptops, and Nearby Sharing is enabled in the system settings.
Simply right-click the file, select "Share," and select the second computer's name from the list. A notification will appear on the second device confirming the file has been received. This is the fastest way to transfer files one-time without setting up shared folders.
- 🚀 Works via Bluetooth and Wi-Fi Direct.
- 📱 Does not require entering passwords or IP addresses.
- ⚡ Ideal for transferring photos and documents "here and now".
Another option is to create a mobile hotspot on one of the laptops. The second laptop connects to this hotspot as if it were a regular Wi-Fi network, and you can then use the same folder sharing methods described above, even if the main router is unavailable.
Frequently Asked Questions (FAQ)
Is it possible to connect two laptops via Wi-Fi without a router?
Yes, it's possible. You can create a direct computer-to-computer connection (Ad-hoc) or use one laptop as a mobile hotspot. In this case, one laptop distributes Wi-Fi, and the second connects to it, creating a local network without an external router.
Why doesn't the second laptop see the first one on the network?
The issue is most likely with the network profile. Make sure the network is marked as "Private" and not "Public" on both devices. Also, check if "Network Discovery" is enabled in the advanced sharing settings.
Do you need internet to transfer files over a local network?
No, the internet is not required. A local area network (LAN) works between devices directly or through a router without access to the external network. The main thing is that the devices "see" each other within their internal network.
What is the maximum Wi-Fi transfer speed between laptops?
Speed depends on the Wi-Fi standard (n, ac, ax) and the router's power. With Wi-Fi 5 (ac), real-world speeds can reach 400-800 Mbps under ideal conditions, but in practice, file transfer speeds typically average 30-60 MB/s.