下载GIMP安装程序。 运行GIMP安装程序。 按照安装程序的提示安装GIMP。 完成安装。 开始使用GIMP。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
You can download this for free from gimp.org/downloads Click the "this link" link to download the file. Clicking the "Download GIMP" link will download GIMP using BitTorrent. You can find this at the location you saved it to, usually your Downloads/My Downloads folder. Most users can leave the settings at the defaults. After selecting the file formats, GIMP will install. This may take a few minutes. Once GIMP has finished installing, you can start using it. See this guide for tips on getting sta