I. Activation Code Location
一、激活码位置

Launch the PC client, go to the Purchase page, and find the Activation Code entry in the left sidebar.

II. Add Device (Including Batch Addition)
二、添加设备（包括批量添加）

1. Open the Activation Code function and select Add Cloud Phone.
2. Select the device type, device server, and then the Android version.
3. Copy and paste the activation code (shortcut: Ctrl+C to copy, Ctrl+V to paste) into the activation input box.
4. For batch activation: enter one activation code per line (press Enter to wrap), then click Activate Now.
5. After the activation success message appears, return to the client homepage to view the newly added devices.

III. Device Renewal (Including Batch Renewal)
三、设备更新（包括批量更新）

1. Select Extend Cloud Phone Duration and check the devices to be renewed (you may select all).
2. Confirm the selected devices, then click Add Activation Code.
3. Copy and paste the activation code (Ctrl+C to copy, Ctrl+V to paste). For batch renewal, enter one code per line as well.
4. Click Activate Now until the activation success prompt appears.

Finally, return to the client homepage to view the updated usage time of the cloud phone after renewal.