SlimBrowser is aFirefoxengine basedbrowser forWindows from Flashpeak inc, which is anAmericancompany. Thebrowser used to be based on theInternet Explorer engine^[1] but it switched toFirefox engine in2019. The has many features such as plug ins, quick search, auto login, popup killer, andblacklist andwhitelist features. In version 6.0 multi process mode was added to add betterperformance for newer64 bit systems and support more then 4gigabytes ofram.Microsoft reccomended thebrowser to European consumers.^[2]