Always start with a backup
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First, make a backup of your site,
Regular backup of WordPress files and DB (on your server)
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Step 1 download the new files:
Go to your account and download new files (https://themeforest.net/downloads).
After downloading a new version, extract the zip file we need to use azedw.zip
Step 2 upload the new file to your server:
you need to upload azedw.zip to the /wp-content/themes/
step 3 rename the old azedw theme
you need to rename the old azedw theme folder to __azedw
step 4 extract the new azedw zip file
after renaming the old folder you need to extract the new version on your server
Now just make sure the site goes up as usual with no issues.
You can check the new version in Theme options
That's it done.