In order to fix the IP address on your Windows PC, you should always login to the Desktop as Administrator.
- Then press Windows button on the keyboard:
- And type CMD > press Enter > type ipconfig > find the IP address, Subnet and Default Gateway values.
- Press again Windows button on the keyboard, choose Settings> Network and internet > Network adapter options> choose used network interface > right-button click on it and select Properties > choose Internet Protocol Version 4 (TCP/IPv4) > press Properties.
In the window shown below, please select Use the following IP address, enter IP address, Subnet mask and Default gateway values:
Then press OK.