this little trick will make you happy, if you ever spent half an hour fingering around.
Step 1: Straighten the Cables
Step 2: Clamp Them Neatly on Order
Step 3: Cut at Perfect Length ! WATCH OUT, See Comments
The image is wrong here, you should cut them way shorter! In the end, the plug should cover the thick shielding of the network cable.
See the comment section for more information.
Step 4: Slide on Connector, Check If Cables Are in Right Order
Step 5: Make Sure They Are Going Until the End
Step 6: Use Your Rj45 Plug Tool and Clamp It
Step 7: Finished
Step 8: Check Quickly If Both Ends Are Wired Correctly
turn one of the plugs 180 degrees, and hold them together. the colors should be parallel.