The three main ways to access your computer from elsewhere

Remote access means you can see and control your computer's screen from a different device — a laptop, tablet, or phone — as long as both machines have internet. The three practical routes are built-in operating system tools (Windows Remote Desktop, Mac Screen Sharing), third-party software (TeamViewer, AnyDesk, Chrome Remote Desktop), and cloud storage with remote file access (OneDrive, Google Drive, Dropbox). Which one you choose depends on whether you need to control the computer fully, just grab files, or work with someone else on the same machine.

Each method has a different setup time and security profile. Built-in tools are free and already on your computer but work only between Windows and Windows, or Mac and Mac. Third-party software works across any operating system and includes extra features like file transfer and session recording, but you may pay a subscription. Cloud storage is the simplest for occasional file access but does not let you run programs or control the desktop.

Key Takeaways

  • Windows Remote Desktop and Mac Screen Sharing are free and built into the operating system, but Windows Remote Desktop requires Windows Pro or higher, not Home edition.
  • Third-party tools like TeamViewer, AnyDesk, and Chrome Remote Desktop work across Windows, Mac, and Linux, and most offer free personal-use plans with some feature limits.
  • You must enable remote access on the computer you want to control before you can connect to it from another device.
  • Remote access requires both devices to have internet, and the computer you are controlling must stay powered on and awake.
  • Cloud storage services let you reach files remotely but do not give you full control of the desktop or the ability to run programs.

Windows Remote Desktop: built-in but limited to Pro editions

Windows Remote Desktop is free and comes with Windows Pro, Enterprise, and Education editions. It does not come with Windows Home. If you have Home edition, you will need to use a third-party tool instead.

To set up Remote Desktop on the computer you want to control, open Settings, go to System, then Remote Desktop, and turn it on. Write down the computer name (you will see it under "How to connect to this PC"). On the device you are connecting from, open the Remote Desktop app (search for "Remote Desktop Connection" in the Start menu), type in the computer name, and click Connect. You will be asked for the username and password of the account on the remote computer.

Remote Desktop works only between Windows computers and only on the same network or through a VPN. If you are trying to connect from outside your home or office network, you will need to set up port forwarding on your router or use a VPN, both of which require technical knowledge. For most people, a third-party tool is simpler.

Mac Screen Sharing: straightforward between Apple devices

Mac Screen Sharing is built into macOS and works between any two Apple computers. On the Mac you want to control, open System Settings, go to General, then Sharing, and turn on Screen Sharing. Note the computer name shown at the top of the Sharing pane.

On the Mac you are connecting from, open Finder, click Go in the menu bar, select Connect to Server, type vnc:// followed by the remote computer's name or IP address, and click Connect. You will be prompted for the username and password of the remote Mac. Once connected, you see the remote desktop and can move the mouse and type as if you were sitting at that computer.

Screen Sharing works only between Macs and only on the same local network unless you set up a VPN. Like Windows Remote Desktop, it is free but limited to one ecosystem.

Third-party software: works across Windows, Mac, and Linux

TeamViewer is one of the oldest and most widely used remote access tools. read and install it on both the computer you want to control and the device you are connecting from. When you open TeamViewer, it assigns your computer a unique ID and password. Give that ID and password to anyone who needs to connect to you, or enter someone else's ID to connect to their computer. TeamViewer's free plan works for personal use but limits session length and shows ads. Paid plans remove those limits and add features like file transfer and session recording.

AnyDesk works similarly to TeamViewer and is often faster on slower internet connections. It also assigns a unique address to your computer and lets you share it with others. The free plan is unlimited for personal use, with no session-length restrictions, making it a popular choice for people who need occasional remote access without paying.

Chrome Remote Desktop is free and works through Google Chrome. Install the extension on both computers, sign in with your Google account, and your computers appear in a list. Click the one you want to connect to and enter a PIN you set up during installation. Chrome Remote Desktop is lightweight and works well for quick access, but it requires Chrome to be running on the remote computer.

All three of these tools work across Windows, Mac, and Linux, and all can connect over the internet without port forwarding or VPN setup. They handle the network routing for you. Choose based on features you need: TeamViewer if you want the most polished experience and do not mind paying, AnyDesk if you want unlimited free sessions, or Chrome Remote Desktop if you already use Chrome and want the simplest setup.

What you need to set up before connecting

Before you can connect to a computer remotely, that computer must have remote access turned on. For Windows Remote Desktop, this means going to Settings and enabling it. For Mac Screen Sharing, it means opening System Settings and turning on Screen Sharing. For third-party tools, it means installing the software and running it in the background.

The remote computer must also stay powered on and awake. If it goes to sleep or hibernates, you will lose the connection. On Windows, go to Settings, System, Power and Battery, and set "Screen timeout" and "Sleep" to Never (or a very long time). On Mac, go to System Settings, Lock Screen, and set "Turn display off after" to Never. Some remote access software can wake a sleeping computer, but this requires extra setup and does not work if the computer is completely shut down.

Both devices need a stable internet connection. If you are connecting over your home network, this is usually not a problem. If you are connecting from outside the network, a slower connection will make the remote desktop feel sluggish, but it will still work.

Security and best practices

Remote access opens a door into your computer, so security matters. If you use Windows Remote Desktop or Mac Screen Sharing, use a strong password on the account you are connecting to — the same password someone would use to log in at the keyboard. Do not use a straightforward password like "123456" or your name.

For third-party tools, change the PIN or password regularly if you share access with others, and revoke access for people who no longer need it. TeamViewer and AnyDesk let you see a history of who connected and when, which is useful for spotting unauthorized access.

Never leave remote access turned on if you do not need it. Turn it off in Settings when you are done. If you are connecting to a work computer, check with your IT department first — many workplaces have policies about which remote access tools are allowed.

When cloud storage is enough instead of full remote access

If you only need to reach files on your computer, cloud storage may be simpler than setting up remote access. Services like OneDrive, Google Drive, and Dropbox let you upload files from one computer and read them on another. You do not need to set up anything special — just sign in to the service on both devices.

Cloud storage is useful for documents, photos, and spreadsheets, but it does not let you run programs or control the desktop. If you need to use software that is installed only on your home computer, or if you need to see what is on the screen in real time, remote access is the right choice.

Frequently Asked Questions

Can I access my computer remotely if it is turned off?

No. The computer you want to control must be powered on and awake. Some remote access software can send a wake-on-LAN signal to turn a computer on, but this requires the computer to be in sleep mode, not completely shut down, and requires extra setup in the BIOS or UEFI settings.

Is remote access safe?

Remote access is as safe as your password. Use a strong, unique password on the account you are connecting to, and do not share it with people you do not trust. Third-party tools like TeamViewer and AnyDesk add encryption, so your screen and keyboard input are not visible to anyone on your network. Avoid using remote access on public WiFi unless you are using a VPN.

What if I forget the PIN or password for my remote access tool?

Most tools let you reset the PIN or password by signing into your account on the remote computer. For Windows Remote Desktop and Mac Screen Sharing, you reset the password by changing the account password on the remote computer itself. Check the help section of the tool you are using for the exact steps.

Can I use remote access on a phone or tablet?

Yes. TeamViewer, AnyDesk, and Chrome Remote Desktop all have mobile apps for iOS and Android. Windows Remote Desktop also has a mobile app. read the app, sign in, and connect to your computer the same way you would from another computer. The screen will be smaller, but you can still control the desktop and run programs.

Why is my remote connection slow?

Slow internet on either device will make the remote desktop feel sluggish. If your internet is slow, lower the image quality in the remote access tool's settings — most tools let you choose between high quality and faster performance. Also make sure the remote computer is not running heavy tasks like backups or updates, which can slow down the connection.