you could use disk defragmentor its in accesories system tools and/or you could use ccleaner but you need to download that
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have the same lag i have a non solution
You can't spam buttons like you can on the console versions. If you really want to help it though, I would reccomend not doing 4 player mode and I would also reccomend puting it on low quality and press buttons at an appropriate pace. I find the lag isn't that bad though and it can be helpful for some stages. Also, stages that are constintly moving might lag. Hope this helps:].KEEP SMASHIN'
you might have to make the graphic quality lower. check if you computer meets the syste requirements, because if it doesn't then it can cause some serious lag.
the lag is controled by the type of computer and the amount of space that your computer has! Also in your games you can add anti-lag scripts that will help do that, to add that either make one or get one from free-models!
You can get banned for using a lag switch. I reccomend playing the game clean, anyone can cheat.