Depending on your specific firmware version, use one of these two common paths:
How to Change the Language on Your TP-LINK TL-WR841N (RO) v11.x
: Connect your computer to the router via Ethernet or Wi-Fi. Open a web browser and enter
How to Change the Language on Your TP-LINK TL-WR841N (RO) v11.x Change Language in TP-LINK TL-WR841N -RO- v11.x
: Connect your computer to the router via Ethernet or Wi-Fi. Open a web browser and enter Depending on your specific firmware version, use one