Microsoft Find My Device (Phone or Browser): True one-click remote lock—requires a Microsoft account and internet access.Dynamic Lock (Local Auto-Lock): Hands-free locking when you—and your paired phone—walk away.Remote Desktop (PC → PC): Full-control session if RDP is enabled beforehand.Parsec (High-Performance Remote Access): Low-latency, gamer-grade option; mobile client available.
Method 1. Lock Windows Using Your Microsoft Account
The quickest way to lock your PC remotely is through Microsoft’s Find My Device service. Prerequisites (set once):
Windows 10 v2004 + / Windows 11 device already signed in with a Microsoft account that has administrator rights.Settings › Privacy & Security › Find my device turned On on the PC.The device has an active internet connection and Location Services enabled.
Method 2. Use Dynamic Lock for Automatic Local Lock
Prerequisites (set once):
Windows 10 v1709 + or Windows 11 device with Bluetooth hardware enabled.A phone, smartwatch, or other Bluetooth device you routinely carry.
Note: Dynamic Lock cannot be triggered manually from another device; it simply locks your PC when the paired device moves out of range.
Method 3. Lock Windows via Remote Desktop (Advanced Users Only)
Prerequisites (set once):
Host PC running Windows 10/11 Pro, Enterprise, or Education (RDP isn’t available on Home edition without third-party tweaks).Settings › System › Remote Desktop toggled On; the user added to the Remote Desktop Users group.Host PC left powered on and connected to the network.A strong account password or PIN (blank passwords are rejected by RDP).If connecting over the internet: VPN, Remote Desktop Gateway, or port-forwarding on TCP 3389 already configured.
My Personal Favorite: Lock Windows Using Parsec
Prerequisites (set once):
Parsec installed and logged in on both the host PC and the second device (Windows, macOS, Linux, Android, or iOS).Host PC left powered on and connected to the internet.Both accounts added as friends in Parsec, or Same Account login enabled.Optional but recommended: Privacy Mode (Teams or Warp tier) to auto-blank and lock the host on connect.
