Q&A for How to Edit the Windows Registry

Adding registry entries is much harder than removing them. You should probably reinstall your network driver.

They're called "reg entries." Some files may take the extension "reg," and when you open them, they automatically add or edit reg entries.

No, you have to use system restore to go back to an earlier date before you can change the registry keys.

The folders might be hidden. In Windows Explorer settings, ensure that 'show hidden files, folders, and drives' is enabled.

In most corporate environments, access to sites like YouTube is restricted through network-level controls (e.g., firewalls, proxies, or DNS filtering), rather than solely Windows Registry settings. Therefore, changing registry settings is not a reliable or recommended solution and may violate IT policies. If you require access for work purposes, the best approach is to request it from your IT department through appropriate channels.

Windows 7 does not have a separate "in-app icon size" key. Instead, icon and text size are controlled by DPI scaling, which is managed by the LogPixels value at HKEY_CURRENT_USER\Control Panel\Desktop\LogPixels.

Windows 10 permanently blocks Flash, preventing you from reinstalling or re-enabling it through the registry or other system settings. A practical workaround is to run your old Flash-based program in a virtual machine using Windows 7 or XP. If the program only needs to open SWF files, a standalone Flash Projector or a Flash emulator may also work.