Windows how-to guides, fixes and software downloads
Articles by Philip Celasco
1,945 articles
Philip Celasco
Philip is a Texas-based technology writer and IT administrator at Techdows.com with more than 10 years of experience creating practical content for everyday users and professionals.
He specializes in web browsers, particularly Chromium-based platforms such as Google Chrome, Microsoft Edge, Brave, and Opera. Through his work as an IT administrator, Philip has hands-on experience managing devices, configuring browser policies, troubleshooting software and network issues, and helping people resolve problems that affect productivity and security.
His articles are based on practical testing and real-world technical experience. He covers browser settings, extensions, performance problems, privacy controls, security features, and Windows troubleshooting.
Outside work, Philip enjoys the quieter side of life in Texas and stepping away from the screen when he can. He has two kids, two cats and loves to play golf with his mother during the weekends.
Windows 10 Disk Management: initialize a new disk, create and format partitions, shrink or extend C:, change drive letters, plus DiskPart, PowerShell and fixes.
Calculate an inverse matrix in Excel with MINVERSE, check it with MMULT, and reuse it with LAMBDA. Includes a worked 3×3 example and fixes for #NUM! and #VALUE!.
Change the taskbar color in Windows 11 from Settings: switch to Dark mode, pick any accent color, and turn on Show accent color on Start and taskbar. Fixes included.
Get Microsoft PowerPoint for free with PowerPoint for the web, the mobile apps, a one-month Microsoft 365 trial or a school email. Steps, limits and fixes.
View recently closed tabs in Microsoft Edge with Ctrl+Shift+T, the History menu or the full History page on Windows and Mac, plus fixes when the list is empty.
Fix “The system cannot find the path specified” in Windows: check the path, quote spaces, clean PATH, reconnect drives, repair apps and run SFC and DISM.
Dual boot Linux Mint and Windows 11 or 10: shrink C: in Disk Management, flash a Mint USB, install alongside Windows, then pick an OS from the boot menu.
Microsoft refund steps for Store and Xbox: request a digital game refund within 14 days, cancel a subscription for a refund, return hardware and track status.
Enable Facebook dark mode on desktop from your account menu: Display & Accessibility, then Dark Mode, then On. App steps, how to turn it off, and an FAQ.