下载并安装Ruby，下载地址为：Ruby
打开cmd，输入以下命令，确认是否安装成功：
$ ruby -v
ruby 2.2.4p230 (2015-12-16 revision 53155) [i386-mingw32]
gem与ruby一块安装生效，打开cmd命令行程序，输入以下命令：
$ gem install jekyll
然后输入创建博客的命令：
$ cd blogfolder
$ jekyll new testblog
进入testblog目录，输入：
$ cd testblog
$ jekyll server
Configuration file: D:/Blog/website/testblog/_config.yml
Source: D:/Blog/website/testblog
Destination: D:/Blog/website/testblog/_site
Incremental build: disabled. Enable with --incremental
Generating...
Jekyll Feed: Generating feed for posts
done in 0.579 seconds.
Auto-regeneration: enabled for 'D:/Blog/website/testblog'
Server address: http://127.0.0.1:4000/
Server running... press ctrl-c to stop.
打开浏览器输入：
http://localhost:4000/
进入下载到的已有jekyll模板目录：
$ cd templatefolder
取2中testblog目录下的Gemfile与Gemfile.lock，复制或替换templatefolder目录下相应文件，原Gemfile文件里的plugin之类配置需要保留，如：
group :jekyll_plugins do
gem "jekyll-feed", "~> 0.12"
gem "jekyll-paginate"
gem "jekyll-sitemap"
end
运行以下命令：
$ jekyll server
浏览器打开http://localhost:4000/即可，若出现以下错误
D:/Ruby27-x64/lib/ruby/2.7.0/bundler/spec_set.rb:86:in `block in materialize': Could not find public_suffix-4.0.5 in any of the sources (Bundler::GemNotFound)
可在命令行中输入：
$ gem install public_suffix --version 4.0.5