The CODECs you need are easily downloadable from the www. You simply need to determine what/which you need. CODECs are available for Apple/MS.
PLUS: If you are recording/editing a lot of H264/265 video, you may wish to ensure you also have adequate RAM. Inadequate RAM may result in drag on playback. So, be prepared to possibly increase RAM. I took my laptop from the packaged 8 to 32 RAM. World of difference on everything video for me!