How to create a local network between Windows 10 and 7 via a router

Creating a local network between computers based on operating systems Windows 10 And Windows 7 This often presents difficulties due to differences in security protocols and device discovery algorithms. Modern Microsoft systems block incoming connections by default to protect against threats, which prevents computers from automatically appearing in the network environment. However, a proper understanding of TCP/IP and Windows services makes it easy to integrate devices into a single infrastructure.

To implement this task, you do not need complex server settings or cabling if both computers are connected to one Wi-Fi routerThe main work will be done in the network adapters control panel and the Group Policy Editor. It's important to understand that connection stability directly depends on the correct IP addresses and firewall settings.

In this article, we'll walk you through the process of setting up static addresses, activating necessary services, and granting access rights to folders. The key is to make sure workgroup names are consistent across all devices. Following the instructions will allow you to share files, play online games, or use a shared printer without installing additional software.

Preparing equipment and checking connections

Before beginning software configuration, ensure that the devices are physically accessible to each other. Both computers must be connected to the same local network, either via Wi-Fi or a LAN cable. If one PC is connected via cable and the other via wireless, ensure they are in the same subnet range, which is usually done automatically during the default router setup.

Check the connection status on both devices. The network icon in the system tray should display no exclamation marks, indicating there is no access to the internet or local resources. If the network is identified as "Public," Windows will apply strict traffic filtering rules, blocking detection from other PCs.

⚠️ Note: When connecting to a new network, Windows 10 may automatically select the "Public Network" profile. This will block your computer's visibility. You must manually switch the profile to "Private" in the Wi-Fi or Ethernet settings.

Make sure network discovery is enabled on both computers. Windows 7 This is done through the Network and Sharing Center, and in Windows 10 — via network and internet settings. Without this step, the computers simply won't "see" each other in the list of available devices.

Setting up names and workgroups

The foundation of a local area network is proper device identification. Each computer on the network must have a unique name, but they must all be in the same workgroup. By default, Windows systems use the name WORKGROUP, however, it may differ on different PCs, for example, on MSHOME, which will result in connection errors.

To change settings, go to system properties. In Windows 7, right-click "Computer" and select "Properties," then "Change settings." In Windows 10, the process is similar, but you may need to click the "Rename PC" or "Advanced system settings" link.

  • 🖥️ Make sure the computer name contains only Latin letters and numbers, without spaces or special characters.
  • 🔗 Make sure the "Workgroup" field is identical on both computers (recommended WORKGROUP).
  • 💾 After making changes, the system will require a reboot for the settings to take effect.

Ignoring the name uniqueness rule will lead to addressing conflicts. If two computers have the same name, the network won't be able to determine where to route data packets, and the connection will be constantly lost or never established.

Configuring IP addresses and TCP/IP protocol

For stable operation of a local network, especially if the router isn't distributing addresses correctly or direct IP access is required, it's recommended to assign static addresses. Dynamic addressing (DHCP) is convenient, but in mixed Windows 7 and 10 environments, address acquisition can sometimes be delayed, preventing data exchange from starting quickly.

Open the adapter settings by selecting "Change adapter settings." Find your connection (Wi-Fi or Ethernet), right-click, and select "Properties." In the list of components, find Internet Protocol version 4 (TCP/IPv4) and click "Properties".

Here you need to enter the addresses manually. If your router's address 192.168.0.1, then the first computer can be assigned 192.168.0.10, and the second one - 192.168.0.11The subnet mask will automatically become 255.255.255.0The gateway and DNS can be left blank or duplicated to match the router's address.

Example setup for PC 1:

IP address: 192.168.0.10

Mask: 255.255.255.0

Default gateway: 192.168.0.1

It's important that the first three digits of the IP address (network prefix) match on both devices and the router. The last digit must be unique for each device, ranging from 2 to 254.

After setting up, check the connection with the command pingOpen a command prompt and enter the address of the second computer. If you see a response from the host, the physical connection and basic protocol configuration are correct.

Managing network profiles and discovery

Windows 10 and Windows 7 use different interfaces for managing network profiles, but the essence remains the same: the system needs to know you're in a trusted environment. On a home network, you need to enable "Turn on network discovery" and "Turn on file and printer sharing."

In Windows 10, go to "Settings" → "Network & Internet" → "Wi-Fi" (or Ethernet). Click the name of the connected network and select the "Private" profile. This will automatically open ports for local traffic. In Windows 7, similar settings are found in "Network and Sharing Center" → "Change advanced sharing settings."

📊 What type of connection are you using?
Wi-Fi router
Straight-through cable (LAN-LAN)
Via a switch
Don't know

It is also worth paying attention to the service SSDP DiscoveryIt is responsible for discovering network devices and services. If it is disabled, computers may not be able to see each other even with the correct IP settings.

To check, start the services (command services.msc in the search bar) and make sure the following services are started and running in automatic mode:

  • 📡 SSDP Discovery Service.
  • 🔍 Publishing a feature discovery resource.
  • 💻 Function Discovery Provider Host.

Disabling these services may be necessary for security purposes in public places, but for a home network, enabling them is mandatory for computers to display correctly in the "Network" section.

Setting up shared access to folders and printers

Once computers "see" each other, you need to grant access rights to specific resources. Simply enabling sharing isn't enough—you need to configure permissions at the NTFS file system and network share level.

Select the folder you want to share. Right-click, select "Properties" → "Sharing" tab. Click "Advanced" and check "Share with others." Then click "Permissions" and add a group. All or a specific user, giving him read or write permissions.

Permission type Description of action Recommended use
Full access Allows you to read, modify, and delete files For working folders with documents
Change Allows you to read and write files For file sharing folders
Reading View and copy files only For media libraries and archives

Remember that permissions are applied cumulatively. If access is allowed in the network permissions but not in the NTFS security (Security tab), access will not be granted. Check both tabs.

Resolving access and password issues

One of the most common issues is being prompted for a password when attempting to connect. By default, Windows 10 requires you to enter your credentials to access network resources. If you don't want to enter your password every time, you can disable this setting, although this reduces your security.

Under "Advanced sharing settings," find "All networks" and select "Turn off password-protected sharing." After saving the changes, try connecting to the shared folder again.

⚠️ Note: Disabling password protection makes your files accessible to any device connected to your Wi-Fi network. Only do this if you are confident in the strength of your router password.

If the connection fails, check whether your antivirus or Windows Firewall is blocking the connection. Try temporarily disabling them for diagnostic purposes. Also, make sure the service SMB 1.0/CIFS Support It is enabled in Windows Features because Windows 7 often uses the older SMBv1 protocol, which is disabled by default in Windows 10.

How to enable SMB 1.0 in Windows 10?

Go to Control Panel → Programs and Features → Turn Windows features on or off. Find "SMB 1.0/CIFS File Sharing Support" in the list and check the box. Restart your computer.

Network diagnostics and testing

The final step is to test the functionality of the created infrastructure. Use built-in Windows diagnostic tools to identify bottlenecks. The team ipconfig /all will show the current status of the network adapter and confirm the correctness of IP addressing.

To check visibility, use the command line. Enter net viewto see a list of computers in the workgroup. If the list is empty, check the discovery services. To check file access, try opening it using its full network path, for example: \\192.168.0.10\Share.

☑️ Final network check

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If your data transfer speed is low, check your Wi-Fi router's operating mode. Mixed modes (b/g/n) can reduce overall throughput. Also, make sure your computers aren't too far from the access point.

In case of persistent errors, try resetting the network settings with the command netsh int ip reset in the command prompt with administrator rights. This will reset the network stack to factory settings.

Why can't Windows 10 see a Windows 7 computer on the network?

The most common cause of the problem is a disabled SMB 1.0 protocol on Windows 10, which is required for communication with older systems. Different workgroup names or ports blocked by an antivirus program can also be the cause.

How to access a folder if the computer name is not displayed?

Use a direct IP address. In File Explorer, press Win+R and enter \\192.168.x.x (target computer address). This will bypass problems with name resolution services.

Do I need to disable the firewall for the local network to work?

Disabling the firewall completely isn't safe. It's best to add an exception for "File and Printer Sharing" in the Windows Firewall settings for the private network.

Is it possible to create a local network without a router?

Yes, it is possible to connect two computers directly with a cable (twisted pair), but this may require a special crossover cable or the presence of auto-MDI/X ports on network cards, as well as manual configuration of IP addresses.