Heat gain and loss through damaged, drafty or otherwise underperforming windows is responsible for 25% to 30% of your monthly heating and cooling costs, according to the Department of Energy.

Wood windows from Pella can provide many unique benefits, like the strength and beauty of wood, and ENERGY STAR certified products. Wood is the original window material and offers vast design options ...

Enable exceptional work from anywhere with Windows 11 productivity features. Learn about AI-powered experiences and unmatched personalization from Windows 11 Pro computers.

正在寻找有关 Windows 的更新？ 自 2016 年 11 月起，只能从 Microsoft 更新目录下载 Microsoft Windows 更新。与以往一样，所有更新仍将通过 WSUS、SCCM 和 Windows 更新提供 - 此更改仅供手动下载。 Microsoft 推出的最新 Windows 版本。提供易于使用的高效办公功能和辅助功能 ...

Special care requirements – When it is known that gem materials have been dyed, care must be taken to not bring them in contact with chemicals such as acetone or alcohol, which could dissolve the dyes ...