For Mac computers, you can use your computer freely while your memories are being transferred onto your AlbumSaver without it interfering with the process.
Fast copy onto Windows, however, will slow down your computer, and is recommended to let AlbumSaver run, uninterrupted. If you do not enable fast copy you are able to use your computer while AlbumSaver is backing up your pictures and videos.
Please make sure that your computer doesn't go to sleep while AlbumSaver is backing up your memories. It will pause the process.