How to create a network folder over Wi-Fi: A detailed guide with router setup

File sharing via network folder via Wi-Fi — is a convenient way to organize access to documents, photos, and videos without using flash drives or cloud services. This method is especially useful in offices where several employees work with the same data, or at home if you need to quickly transfer a large file between devices. However, many users encounter difficulties setting it up: sometimes a folder won't open, sometimes access is restricted, or the router blocks the connection.

In this article we will look at all stages of creating a network folder — from setting up a local network to opening access on different operating systems. You'll learn how to set it up correctly. Windows 10/11, macOS and even Android, and what are the router parameters (TP-Link, ASUS, Keenetic) We need to check to make sure everything works. We'll pay special attention to security — how to restrict access to outsiders and protect data from leaks.

If you're new to setting up local networks, don't worry: the instructions are tailored for beginners. For experienced users, we'll cover advanced settings, including working with SMB protocol and setting up static IP.

1. Network preparation: checking the router and connection

Before setting up a network folder, make sure all devices are connected to the one Wi-Fi networkThis is a key requirement: if the computers are on different subnets (for example, one via cable, the other via guest Wi-Fi), access will not work.

Check the following settings on your router:

• 🔄 DHCP server must be enabled (usually enabled by default). It automatically assigns IP addresses to devices.
• 🔒 Client Isolation (AP Isolation) should be disabled — otherwise the devices will not see each other.
• 📡 Network operating mode: select 11n/ac/ax (mixed) for maximum compatibility.

How to check settings on popular routers:

⚠️ Warning: If you use guest network On the router, devices in it are isolated from the main network by default. Connect all gadgets to basic Wi-Fi networks.

After changes on the router reboot it (button Reboot (In the web interface or a physical button on the device). This will help avoid IP address conflicts.

2. Setting up a network folder in Windows 10 and 11

In modern versions of Windows, the process of opening access to a folder is simplified, but there are nuances with the protocol SMBLet's look at the step-by-step instructions for Windows 10/11:

Step 1: Turn on network discovery

• 🖥️ Open Control Panel → Network and Internet → Network and Sharing Center.
• 🔍 Choose Change advanced sharing options.
• 🔄 Enable options:
  • Network discovery
  • File and Printer Sharing
  • 40- or 56-bit encryption (for older devices)

Step 2: Share the folder

1. Right-click on the folder → Properties → Access.
2. Click Share and select a user Everyone.
3. Set permissions: For read/write select Reading and writing.
4. Click General access, then Ready.

Step 3: Check security permissions

Go to the tab Security in the folder properties and add the user Everyone with rights Full accessThis is necessary to avoid the "Access Denied" error.

Is network discovery enabled?|Is the folder shared with "Everyone"?|Are security permissions configured?|Are the devices on the same Wi-Fi network?-->

⚠️ Note: If the folder is not visible after setup, check if the protocol is enabled SMB 1.0 (for older devices). In Windows 11 It is disabled by default for security reasons. Enable it in Control Panel → Programs → Turn Windows features on or off.

Critical detail: If you are using an antivirus (eg. Kaspersky or ESET), temporarily disable the firewall - it may block access to shared folders.

3. Accessing a network folder from other devices

Once the folder is set up on your primary PC, you can access it from other devices. Let's look at options for different operating systems.

From Windows or macOS:

• 🖥️ Click Win + R, enter \\Computer IP address (For example, \\192.168.1.100) and press Enter.
• 🍎 On macOS open Finder → Go → Connect to Server and enter smb://IP_address.

From Android:

To access from your phone you will need a file manager with support SMB, For example FX File Explorer or Solid Explorer:

1. Open the app and select Network → LAN/SMB.
2. Add a new connection with the PC IP address, username and password (if set).
3. Connect to the shared folder.

From iPhone/iPad:

Use the app FileExplorer or Documents by Readdle:

• 📱 Go to the section Network → SMB.
• 🔍 Enter your computer's IP address and login information.

4. Setting up a static IP (recommended)

By default, the router assigns dynamic IP addresses to devices, which can change. This means that the path to the network folder (\\192.168.1.100) stops working. To avoid the problem, configure static IP for the computer on which the folder is located.

Method 1. Via router settings (DHCP reservation):

1. Go to the router's web interface (usually 192.168.1.1 or 192.168.0.1).
2. Find the section DHCP → Address Reservation (on TP-Link) or Local Network → DHCP Server (on ASUS).
3. Add a rule for your PC's MAC address by specifying the desired IP (e.g. 192.168.1.100).

Method 2. Manually on Windows:

• 🖥️ Open Control Panel → Network and Internet → Network and Sharing Center → Change adapter settings.
• 🔧 Right-click on your Wi-Fi adapter → Properties → Internet Protocol Version 4 (TCP/IPv4).
• 📝 Specify:
  • IP address: 192.168.1.X (where X is a number from 10 to 254, not occupied by other devices).
  • Subnet mask: 255.255.255.0.
  • Default gateway: IP of your router (eg. 192.168.1.1).
  • DNS: 8.8.8.8 (Google) or 1.1.1.1 (Cloudflare).

⚠️ Caution: If you assign an IP address that is already in use by another device, a conflict will occur and both devices will lose network access. Before setting up, check for occupied addresses in the router's web interface (section DHCP clients or Connected devices).

5. Solving common problems

Even after proper configuration, a network share may not work. Let's look at common errors and how to fix them.

Problem 1: The folder is not visible on the network

• 🔍 Check if it's enabled SMB protocol on both devices. Windows 11 it can be turned off.
• 🔄 Reboot the router and both devices.
• 📡 Make sure the function is disabled on your router AP Isolation.

Problem 2: "Access Denied"

• 🔐 Check the access rights in the folder properties (tab Security).
• 👤 Make sure you are using the correct username and password (if requested).
• 🛡️ Temporarily disable your antivirus or firewall.

Problem 3: Slow transfer speed

If files take too long to copy:

• 📶 Check your Wi-Fi signal strength. If it's below 70%, move your router or use a different one. repeater.
• 🔄 Switch the router to a channel 5 GHz (less busy than 2.4 GHz).
• 💾 If you are transferring large files, connect one of the devices via cable (LAN).

How to check local network speed?

To test the speed between devices on the same network, use the utility iPerf3:

1. Install it on both computers (official website).
2. On the first PC, run the command iperf3 -s (server).
3. On the second PC, run iperf3 -c IP_of_the_first_PC (client).

Normal Wi-Fi speed: 30–100 Mbps (depending on the 802.11ac/ax standard).

6. Network Folder Security: How to Protect Data

By sharing a folder over Wi-Fi, you risk allowing others to connect to it (for example, your neighbors if you have a weak Wi-Fi password). The following measures will help protect your data:

Method 1: Use accounts

• 👤 Do not open access for EveryoneInstead, create a separate user in Windows:
  1. Open Control Panel → User Accounts → Manage another account.
  2. Create a new user (eg. NetUser) and assign it a password.
  3. In the folder access settings, specify this user instead All.

Method 2: Set up a guest network with restrictions

If you want to grant access only to certain devices:

• 🔒 Create a router guest network with a separate password.
• 📡 Connect only those devices that need access to the folder.
• 🚫 In the guest network settings, disable access to the local network (option Access Intranet or Allow guests to see each other should be turned off).

Method 3. Encrypt traffic

For maximum safety, use VPN within the local network:

• 🔐 Set up a VPN server on your router (for example, OpenVPN on ASUS or Keenetic).
• 📱 Connect all devices to VPN before accessing the folder.

7. Alternative ways to share files over Wi-Fi

If setting up a network share seems complicated, consider these alternatives:

1. FTP server

Suitable for experienced users. Setup:

• 🖥️ Install the program FileZilla Server or Xlight FTP.
• 🔧 Create a user and specify the folder for access.
• 🌐 Connect from other devices via an FTP client (for example, Total Commander or ES File Explorer).

2. Cloud on your home PC

Programs like Nextcloud or Resilio Sync create a personal cloud with no volume limits:

• ☁️ Install the server part on your PC.
• 📱 Install the client on your phone or another computer and sync your folders.

3. Wi-Fi Direct

For one-time transfers between two devices:

• 📲 On Android use the function Wi-Fi Direct (in Wi-Fi settings).
• 🖥️ On Windows, enable Mobile hotspot and connect the second device.

Method	Speed	Difficulty of setup	Security
Network folder (SMB)	High	Average	Medium (needs adjustments)
FTP server	High	High	Low (no encryption)
Personal Cloud (Nextcloud)	Average	High	High (encryption)
Wi-Fi Direct	Low	Low	High (2 devices only)

FAQ: Frequently asked questions about Wi-Fi network folders

Is it possible to create a network folder between Windows and macOS?
Yes, but there are a few nuances to consider:
• 🍎 On macOS enable support SMB V System Preferences → Sharing → Options.
• 🖥️ On Windows, grant access to a user with a password (macOS does not support guest access to SMB).
• 🔍 When connecting from macOS, use the prefix smb:// (For example, smb://192.168.1.100).
How do I find out the IP address of a computer to connect to?
In Windows:
1. Click Win + R, enter cmd.
2. Run the command ipconfig.
3. Find the line IPv4 address in the section Wireless network adapter.

On macOS or Linux use the command ifconfig (or ip a for Linux).

Why does the network folder appear and then disappear?

Reasons for instability:

• 🔄 Sleep mode on PC: disable it in Control Panel → Power Options.
• 📡 Wi-Fi problems: check the signal stability or go to 5 GHz.
• 🔄 IP conflict: Assign a static IP (see section 4).
• 🛡️ Antivirus: Add the folder to the firewall exceptions.

Is it possible to make a folder accessible over the Internet?

Technically yes, but it is extremely unsafe! To do this you need:

1. Set up port forwarding (445 TCP) on the router.
2. Use DDNS for dynamic IP.
3. Be sure to password protect the folder and enable encryption.

🔴 Recommendation: use instead VPN or cloud services (Google Drive, Yandex Disk).

How to limit access speed to a network folder?

Windows doesn't have any built-in tools to limit SMB speed, but you can:

• 📶 Use QoS on a router (traffic prioritization).
• 🖥️ Install third-party software, for example NetLimiter.
• 🔄 Switch to FTP server with setting limits.