How to upgrade MikroTik OS version 6 to 7?

You can upgrade MikroTik OS version 6 to 7 from the System > Package menu. Here are the steps:

1. Connect to your MikroTik device using Winbox.
2. In the Winbox window, go to the System menu and select Package.
3. In the Package window, click on the Upgrade button.
4. In the Upgrade window, select the Channel drop-down list and choose the 7.x channel.
5. Click on the Check for Updates button.
6. The upgrade process will start and your device will reboot.
7. Once the device has rebooted, you will be running RouterOS version 7.