Stuff you'll need:
+ A web browser (Opera, Firefox or Internet Explorer)
+ A web page with a loaded flash gameHere's one
Step 1: Copy SWF File From Browser Cache
I'm not sure if the IE cache path I have is right, because when I used to use it when I got my computer I changed the directory. Please correct me if it's wrong.
Your windows account is the name that shows up on your start menu and Welcome screen (when you start up your computer)
Opera: C:\Program Files\Opera\Profile\Cache4
Internet Explorer: C:\Documents and Settings\your windows account\Local Settings\Temp
Firefox: C:\Documents and Settings\your windows account\Local Settings\Application Data\Mozilla\Firefox\Profiles\rtr8rd4k.default\Cache (you'll have to copy and paste this, the Cache folder is not visible in Explorer)
Step 2: Playing the Game
If the game is lagging/running slowly when you play it, right-click in the game window and change the quality (if you can see it in the list. Some developers disable some of the list options), or open it in Internet Explorer. It will run faster in IE because Windows gives it more system resources by default. Or close other applications that are taking up system resources.
If the file extension is not .SWF, go to Folder Options in the control panel, click the view tab, scroll down the list and uncheck Hide extensions for known file types, and click OK. Then you can edit the name of the file. If the extension is not .SWF, rename the file so that it is. (example: Flash Element TD.SWF)
I recommend putting your games in a folder such as "Flash Games", and definitely name them.