Because Windows 8.1 does not support third-party visual styles natively, you must first. Step 1: Patch Your System with UXTheme Patcher
If you use Microsoft Office (2013 or newer) on Windows 8.1, open any app (like Word), go to , and change the Office Theme dropdown to Dark Gray or Black . Method 4: Tweak the Modern UI (Start Screen) dark theme for windows 81
Once patched, you can download custom themes (usually .theme files and accompanying folders) from websites like DeviantArt. Extract the downloaded theme files. Because Windows 8
If you use Microsoft Office 2013 or 2016 on Windows 8.1, you can change the suite's theme independently of the operating system. Open any Office application (like Word). Click on the tab in the top-left corner. Select Account (or Options -> General ). Locate the Office Theme dropdown menu. Extract the downloaded theme files
Choose a theme like from the dropdown menu and click Apply . 3. Change Start Screen Colors The Start screen has its own independent color settings.
Patching system files carries risks. It can sometimes lead to issues, such as a black screen after removal if not done correctly. Ensure you revert to a default Windows theme before uninstalling any patcher software.
Certain Windows 8.1 built-in apps, such as the Mail, Calendar, or Reading List apps, feature individual background options. Open the desired app, bring up the Charms bar via , select Options or Settings , and toggle the background setting to Dark where available. Method 4: Darkening Browsers and Productivity Software