The modern digital environment dictates its own rules, and the need to transfer large amounts of information arises constantly. Using USB flash drives or external hard drives often seems inconvenient, especially when both devices are located in the same room. Wireless technologies allow for instant data exchange, eliminating the need for physical media and unnecessary movement.
Transferring files over a local network via Wi-Fi router It's not only convenient but also effective. The speed of modern wireless standards allows you to stream high-definition video and copy gigabytes of documents in minutes. The key is to properly configure the interaction between devices so they "see" each other in virtual space.
In this article, we'll cover all the nuances of setting up such a connection. You'll learn how to create a shared folder, configure access rights, and avoid common mistakes users encounter when first setting up a network. This solution is ideal for both home offices and small businesses.
Preparing equipment and checking the network
Before beginning setup, ensure all computers involved in data exchange are connected to the same wireless network. It's acceptable for one device to connect via cable and the other via Wi-Fi, but both interfaces must be active on the router. Check that the connection status is "Connected" and there is no restricted access icon.
An important step is determining the network profile type. Windows may classify a new network as "Public" by default, which prevents other devices from seeing the computer for security reasons. Change profile to "Private" or "Home" opens the necessary ports for local exchange.
⚠️ Warning: Switching your network profile in public places (cafes, airports) will make your computer visible to others, which may pose a security risk to your personal data.
It's also worth checking the IP addresses of your devices. For stable operation, it's best for the router to assign addresses within the same range, although in typical home environments, the DHCP server does this automatically. Make sure your firewall isn't blocking network discovery.
Setting up sharing in Windows
To enable file sharing in the operating system, you need to enable the appropriate settings in the Network and Sharing Center. Go to the Control Panel and find the section for changing sharing settings. Here, you'll need to enable network discovery and file and printer sharing.
The system will offer several profiles: one for the current private network and one for a guest or public network. We are interested in the latter. private profileEnable the "Turn on network discovery" option and check the "Turn on automatic configuration of connecting network devices" box.
☑️ Check network settings
At the bottom of the window, find the "All Networks" section. We recommend enabling sharing here so that users on other computers can read and write files to shared folders. You can also disable password-protected access if you're on a trusted home network, making it easier to connect without constantly entering your credentials.
Creating and sharing a shared folder
Now you need to select the directory through which the exchange will take place. Create a new folder on the disk or use an existing one. Right-click it and select "Properties." In the window that opens, go to the "Access" tab.
Click the "Advanced Settings" button and check the "Share this folder" box. In the "Share Name" field, you can leave the default name or enter a more descriptive name that will be displayed on the network. Click the "Permissions" button to fine-tune the permissions.
In the list of groups and users, select "Everyone" (or add a specific user) and select the desired permissions: Full Control, Modify, or Read Only. If you plan to transfer files from one PC to another without restrictions, select full access.
⚠️ Caution: Granting "Full Control" permissions to the "Everyone" group allows any device on your Wi-Fi network to delete or modify files in this folder. Use with caution.
Once the settings are applied, the folder will be accessible to other computers. On the receiving device, it will appear in Network Neighborhood. For convenience, you can map the network folder to a drive letter so it appears as a local partition in My Computer.
Using built-in tools for transfer
There are several ways to initiate a transfer in Windows operating systems. The easiest is via the context menu. Select a file, click "Send," and select "Bluetooth" or a specific network device if one has already been added. However, for bulk transfers, using Network Places is more convenient.
Open File Explorer and enter two backslashes in the address bar. \\, followed by the IP address of the sending computer or its network name. For example: \\192.168.1.5If the settings are correct, you will see a list of all shared resources on the remote PC.
What should I do if my computer is not visible by name?
Often, the problem lies with the DNS or NetBIOS service. Try using the IP address instead of the name. Also, make sure both computers are set to the same workgroup (WORKGROUP by default).
For regular use, you can create a shortcut to the network folder on your desktop. This will speed up the process in the future. Simply drag the network folder to your desktop, and the system will prompt you to create a shortcut. Now you can access files from another computer with just one click.
Alternative methods and third-party software
If standard Windows tools seem cumbersome or unstable, you can use specialized software. Programs like Resilio Sync, Send Anywhere or Feem create their own data transfer channels over the local network, often ignoring system sharing settings.
These utilities are convenient because they don't require complex access rights configuration, port forwarding, or account creation. Simply install the app on both computers, and they will automatically find each other via the Wi-Fi router. Speeds remain high because data doesn't go online, but rather circulates within the local network.
Another option is to use the FTP protocol. You can deploy an FTP server on one of the computers (for example, using FileZilla Server) and connect to it from another PC using any file manager. This provides more flexible control over transferred data and operation logging.
For one-time transfer of large files, such as 4K movies, use FTP or specialized software may be faster than the standard Windows SMB protocol, which has overhead for rights checking and encryption.
Troubleshooting and connection speed
Users often encounter slow copying speeds or connection drops. The first step is to check the wireless connection standard. If your router supports Wi-Fi 5 (802.11ac) or Wi-Fi 6 (802.11ax)If your computer is connected via the older 2.4 GHz standard, your speed will be limited. Try using the 5 GHz band for transferring large files.
The table below shows approximate data transfer rates for various standards in real-world conditions:
| Wi-Fi standard | Frequency | Real speed (Mbps) | Estimated transfer time for 10GB |
|---|---|---|---|
| 802.11n | 2.4 GHz | 30-50 | ~35 minutes |
| 802.11n | 5 GHz | 100-150 | ~10 minutes |
| 802.11ac | 5 GHz | 300-400 | ~4 minutes |
| 802.11ax | 5 GHz | 600-800+ | ~2 minutes |
If the speed is lower than expected, check the channel load. Other devices downloading torrents or streaming video may be clogging the airwaves. Speed is also affected by the distance from the router and the presence of walls. For critical tasks, it's best to move closer to the access point.
Keep in mind that the write speed of the receiving computer's hard drive also plays a role. If you're copying thousands of small files, the speed will drop significantly more than when transferring a single large archive, due to the way the file system operates.
Data security in a local network
Transferring data over Wi-Fi requires attention to security. Even on a home network, don't leave computers completely open if guests can access your router. Use strong passwords for Windows user accounts.
It's recommended to create a separate user with limited rights specifically for network access. Name it something like "NetworkUser" and set a strong password. When connecting from another PC, enter this username, not the administrator's credentials.
⚠️ Warning: SMB version 1.0 (SMBv1) is considered obsolete and vulnerable. Ensure it is disabled in Windows components and that SMBv2 or SMBv3 are used.
Update your router's firmware regularly. Manufacturers often patch vulnerabilities that allow attackers to access your local network and intercept transmitted data or inject malware.
How to hide a folder from accidental viewing?
Add a dollar sign $ to the end of the shared folder name (e.g., Files$). It won't appear in the shared folder list, but will be accessible directly via the path \\IP address\Files$.
Why can't my computer see other devices on the network?
The problem is most likely with the network profile. Make sure the network is marked as "Private" on both computers. Also, check that the "Connect Now Discovery Resource Publisher" and "Connect Now Discovery Provider Host" services are running.
What is the maximum speed possible when transferring via Wi-Fi?
Theoretical speeds vary depending on the standard (up to 9.6 Gbps for Wi-Fi 6E), but actual file transfer speeds are typically 50-60% of the theoretical speed due to protocol overhead and interference. For gigabit speeds, a cable is recommended.
Is it possible to transfer files between Windows and macOS via a router?
Yes, this is possible. macOS uses the SMB protocol to communicate with Windows. You'll need to share the folder on your Mac in System Preferences (Sharing) and connect to it from Windows via Network Places using your Mac user credentials.
Do you need internet to transfer files over a local network?
No, internet access is not required. Data transfer occurs within your local area network (LAN) via a router. The main thing is that the devices are connected to the same router, even if the router itself is not connected to your ISP.