1、首先登录网页版Steam 账号。 https://store.steampowered.com/

2、点击右上角自己账号-----账户明细——许可和产品序列号激活—— 右键页面空白(检查元素)——控制台(Console)——右键粘贴代码块中代码——回车

via:AK_Scrin

出处:http://t.cn/A6ZRXlpU

 (function()
{
    if( location.href.match( /^https:\/\/store\.steampowered\.com\/account\/licenses\/?$/ ) === null )
    {
        alert( '请在Steam帐号明细页面运行这些代码: https://store.steampowered.com/account/licenses/' );

        window.location = 'https://store.steampowered.com/account/licenses/';

        return;
    }
    
    var freePackages =
    [
        //本体
        39166,//Heroine's Quest: The Herald of Ragnarok
        13261,//RACE 07: Andy Priaulx Crowne Plaza Raceway
        32032,//Portal 2 Sixense Perceptual Pack
        59373,//Penumbra: Necrologue
        33694,//Grimm&Episode 1 - A Boy Learns What Fear Is
        88162,//Romance of the Three Kingdoms Maker
        36561,//Serena
        58514,//Voxelized
        117526,//Amnesia: Final Revelations
        
        //dlc
        85604,//RTK Maker - Face CG “RTK13” Set / 三国志ツクール顔登録素材 『三國志13』セット+シナリオ
        21478,//Free to Play免费本体
        50861,//Free to Play Soundtrack
        21473,//Prime World免费本体
        31538,//Prime World - Prime Machine
        32287,//Z3TA+ 2 - Polybius 8-bit Game Pack
        38085,//Saints Row IV - Reverse Cosplay Pack
        72261,//The Secret of Tremendous Corporation免费本体
        81026,//The Sources of Tremendous Corporation
        47333,//Aura Kingdom免费本体
        38820,//Aura Kingdom - Winter Gift
        69802,//Fuse免费本体
        60341,//Fuse - Free Brute Character Pack
        21416,//Elsword免费本体
        63207,//Time Tracer's DLC Package
        59253,//Vindictus - New User Package
        
        //软件&工具
        35063,//Star Swarm Stress Test
        74465,//Arma 3 Samples
    ];
    
    var ownedPackages = {};
    
    jQuery( '.account_table a' ).each( function( i, el )
    {
        var match = el.href.match( /javascript:RemoveFreeLicense\( ([0-9]+), '/ );
        
        if( match !== null )
        {
            ownedPackages[ +match[ 1 ] ] = true;
        }
    } );
    
    var i = 0,
        loaded = 0,
        package = 0,
        total = freePackages.length,
        modal = ShowBlockingWaitDialog( '努力执行中...',
            '请耐心等待,如果有错误请无视,请耐心等待脚本加载完毕' );
    
    for( ; i < total; i++ )
    {
        package = freePackages[ i ];
        
        if( ownedPackages[ package ] )
        {
            loaded++;
            continue;
        }
        
        jQuery.post(
            '//store.steampowered.com/checkout/addfreelicense',
            {
                action: 'add_to_cart',
                sessionid: g_sessionID,
                subid: package
            }
        ).always( function( )
            {
                loaded++;
                
                modal.Dismiss();
                
                if( loaded >= total )
                {
                    location.reload();
                }
                else
                {
                    modal = ShowBlockingWaitDialog( '执行中...',
                        '加载至 <b>' + loaded + '</b>/' + total + '.' );
                }
            }
        );
    }
}());