1. Windows：
Windows是Microsoft Incorporation提供的一组各种专有图形操作系统。它也被称为Microsoft Windows 。它目前包括Windows NT和Windows IoT作为其家族的成员。早期包括不再使用的Windows 9x，Windows Mobile和Windows Phone。它是个人计算机中使用最多的操作系统。 Microsoft于1985年发布了Windows的第一个版本。用于个人计算机的Windows的最新版本是Windows 10。
2. Android ：
Android是Google提供的移动操作系统。它基于Linux内核和其他开放源代码软件的修改版。它是专为智能手机和平板电脑等触摸屏移动设备设计的。它是使用C， Java，C++和其他语言开发的。 Google于2008年推出了第一个Android版本。最新的稳定版Android是Android10。它完全免费提供。总体来说，它是最常用的操作系统。
Windows和Android之间的区别：
| WINDOWS | ANDROID |
|---|---|
| It was developed and is owned by Microsoft Incorporation. | It was developed and is owned by Google LLC. |
| It was launched in 1985. | It was launched in 2008. |
| It is designed for PC of all companies. | It is specifically designed for mobile devices. |
| Current stable version is Windows 10. | Current stable version is Android 10. |
| Kernel type is Hybrid with modules here. | Kernel type is Linux-based. |
| Preferred license is Proprietary and Source-available. | Preferred license is Apache 2.0 and GNU GPLv2. |
| It charges for the original version. | It is free of cost as it is inbuilt is smartphones. |
| It is the most used operating system in personal computers. | It is the most used operating system overall. |
| It is for workstation, personal computers, media center, tablets and embedded systems. | Its target system type is smartphones and tablet computers. |