How to transfer a file via Wi-Fi from a computer to a laptop

Modern users often need to quickly transfer data between devices. Transferring photos, work documents, or installation files from a desktop computer to a laptop is a regular occurrence. USB drives are becoming obsolete, and cloud storage is not always convenient due to speed limitations or lack of internet access.

Fortunately, a local wireless network offers an excellent alternative. Data transfer speeds within a home Wi-Fi network can reach tens of megabytes per second, significantly faster than internet downloads. In this guide, we'll cover proven methods that don't require installing complex third-party software or purchasing additional equipment.

The main challenge for beginners lies in setting up proper security and device visibility. Windows restricts folder access by default to protect your data from prying eyes in public places. We'll take a detailed look at how to securely enable access in a home environment while minimizing risks.

Checking network settings and preparing equipment

Before you start the copying process, you need to make sure that both devices are in equal conditions. Local area network — this is the foundation upon which all further actions are built. If the computer is connected to the router via cable and the laptop via Wi-Fi, they are still on the same network, but detection may differ.

First, check your network profile type. Windows divides networks into "Public" and "Private." For file sharing, it's critical that both devices are set to "Private" mode. In public mode, the system blocks visibility to protect against hackers in cafes or airports.

⚠️ Attention: Don't enable network discovery or file sharing if you're on public Wi-Fi (at a cafe, hotel, or on public transport). This could expose your private folders to attackers on the same network.

To edit your profile, go to Settings → Network & Internet → StatusClick on your connection properties and select "Private." It's also worth checking that both devices have valid IP addresses from the same subnet, for example, 192.168.1.x.

Method 1: Using a Shared Folder (SMB) in Windows

The most reliable and built-in transfer method is creating a shared folder. This method doesn't require an internet connection and works at the maximum speed your computer can provide. routerThe method is simple: you make a folder on one computer visible to another.

To start, create a folder, such as "Transfer," and place the files there. Right-click it, select "Properties," and go to the "Sharing" tab. Click "Advanced" and check "Share this folder."

Next, you need to configure the sharing settings in the Network and Sharing Center. Go to Control Panel → Network and Internet → Network and Sharing Center → Change advanced sharing settingsHere you need to enable network discovery and, importantly for convenience, disable password-protected access (only if you are confident in the security of your Wi-Fi network).

Now, on the second device (the laptop), open File Explorer and enter the IP address of the first computer in the address bar. You can find it using the command ipconfig in the command line. It looks like this: \\192.168.1.55After entering the address, a window with shared folders will open, from which you can copy the data.

What to do if the computer is not found by IP?

Make sure the "Feature Discovery Provider" and "Feature Discovery Provider Host" services are running. Also, try temporarily disabling your antivirus or firewall to test.

Method 2: Nearby Sharing

For Windows 10 and 11 users, there's a more modern and simpler alternative to Apple's AirDrop, called Nearby Sharing. This feature uses a combination of Bluetooth for discovery and Wi-Fi Direct for fast file transfers. It's ideal for one-time transfers of a few documents or photos.

You can activate the function via Settings → System → Shared FilesMake sure the "Nearby Sharing" switch is turned on on both devices. Also, select the "Everyone Around" option so the devices can see each other without pairing.

• 📂 Open the file you want to transfer in any program.
• 📤 Click the "Share" button in the program menu or right-click on the file and select "Share."
• 📡 The name of your laptop or PC will appear in the list of available devices. Click on it.
• ✅ A notification will appear on the receiving device, which you must confirm by clicking the "Accept" button.

The transfer speed here depends on the quality of the Bluetooth signal for the handshake and the strength of the Wi-Fi modules for the file itself. The advantage of this method is that there's no need to configure anything, create folders, or enter IP addresses. However, for transferring gigabytes of data, this method may be less stable than SMB.

Method 3: Transfer via FTP server

If you need to transfer files regularly and in large volumes, the best solution would be to organize your own FTP serversThis may seem complicated at first glance. In fact, Windows has built-in tools, or you can use lightweight utilities.

Let's consider using the free FileZilla Server program or the built-in IIS. After installing the server, you create a user and specify the folder they can "see." Then, from your laptop, you connect to the folder as if it were a network drive, entering the username and password.

The main advantage of FTP is the ability to interrupt a transfer and resume it later, as well as the absence of file type restrictions. Furthermore, you can connect to such a server not only from a laptop, but also from a phone or tablet using a file manager.

Alternative methods and cloud buffers

Hybrid methods shouldn't be discounted either. If the files aren't sensitive and your home internet speed is fast, you can use cloud services as an intermediary. However, there's a catch: uploading and downloading data over the internet takes longer than transferring it over local Wi-Fi.

There are synchronization programs such as Resilio Sync or SyncthingThey create a direct connection between devices (P2P) over the internet or a local network. Files are not stored on third-party servers, but are transferred directly from disk to disk. This is an excellent compromise between the convenience of the cloud and the speed of a local network.

Many users also use instant messaging apps. Sending a file to yourself via Telegram ("Favorites") or WhatsApp is a quick way to transfer documents up to 2 GB. However, the quality of media files (photos and videos) is often compressed unless sent as a "File," which isn't always convenient.

⚠️ Attention: When using third-party syncing programs, make sure you download them from the developer's official website. Versions from unverified sources may contain malicious code.

Diagnosing problems and low speed

Sometimes the transfer process may slow down or even drop. This is most often due to the Wi-Fi band. If your router is dual-band, make sure both devices are connected to the network. 5 GHz, not 2.4 GHz. The 2.4 GHz band is heavily congested and rarely provides speeds above 3-4 MB/s, which is unacceptable for large files.

Another common issue is power saving. Windows may disable the network adapter to save power, which causes the connection to drop. Go to Device Manager, find your Wi-Fi adapter, open its properties, and under the "Power Management" tab, uncheck "Allow the computer to turn off this device."

It's also worth checking your antivirus. Third-party firewalls (Kaspersky, ESET, Avast) may block incoming connections on your local network, considering them suspicious. Try switching your antivirus's network profile to "Home" or "Trusted" during the transfer.

Why does speed decrease over time?

When transferring a large number of small files (thousands of photos), the speed is always lower than when transferring a single large file (a movie). This is a characteristic of the SMB file system and protocol.

Comparison of data transfer methods

The optimal method depends on your specific needs. If you need to transfer a single document, it's easier to use Messenger or "Share Nearby." For regular access to archives, it's better to set up a shared folder or FTP.

The table below provides a comparison of the main characteristics of the methods considered so that you can choose the one that is right for you.

Remember, the security of your data is in your hands. By using local transfer methods, you control the file's path from point A to point B, without trusting it to third parties.

Frequently Asked Questions (FAQ)

Is it possible to transfer a file if one device is Windows and the other is macOS?

Yes, this is possible. macOS supports the SMB protocol. On a Mac, open Finder, click "Go" → "Connect to Server," and enter the IP address of your Windows computer. You'll need to enter your Windows username and password.

Why can't my laptop see my computer's shared folder?

Most often, the problem is with the network profile. Make sure the network is set to "Private" on both PCs. Also, check that the "Function Discovery Resource Publishing" service is enabled in Windows.

Is it safe to disable password when sharing?

Within a home network protected by a complex WPA2/WPA3 password on the router, this is acceptable for convenience. However, if neighbors or guests are allowed to connect to your Wi-Fi, it's better to leave the password or create a separate user with limited rights.

What is the maximum transfer speed for Wi-Fi?

In the 2.4 GHz band, actual speeds rarely exceed 3-5 MB/s. In the 5 GHz band, with a good signal, you can achieve 40-80 MB/s and higher, which is comparable to the read speed of some USB flash drives.