How to Install Script File in Blogger
Below is the whole process of installing the Happy New Year script and All Wishing Script and Tools script also for blogger

Step 1. Go to blogger and click on the theme Simple Blog Theme select Karna he 
or apply pe Click Karna
  
Step 2: Switch to first-generation classic Theme  & Click Switch without Backup
Step 3: Click Arrow Key Edit HTML
Select all Code shortcut Key (CTRL+ A) & Delate code
Fir Copy Your Script Code (CTRL + C) or paste Karna Theme pe (CTRL + V) & change Navbar to off


Thanking You..........!!!!!!!!!!