That's later than Windows 95 - maybe 98 or 2000. Windows 95 didn't support gradi...

xattt · on April 22, 2020

Gradient titlebars were the killer feature for Windows 98.

nobleach · on April 22, 2020

Some of us replaced our GDI.EXE, GDI32.DLL, SHELL.DLL, etc and installed TweakUI.exe to get those Windows 98 features a year or so earlier....

Then again, I was a Memphis beta tester (legitimately, not the "I found these rars on a warez site" variety of "beta tester") So I "enjoyed" some of those features pretty early on.