Force.com IDE is being Retired in October 2019
Force.com IDE is Being Retired in 12th October 2019 and Time to move from Force.com IDE to VSCode / Intellij
Below are the reference link to upgrade our skill level from Force.com IDE to Visual Studio Code:
https://releasenotes.docs.salesforce.com/en-us/spring19/release-notes/rn_vscode_forcecom_ide_retirement.htm
https://releasenotes.docs.salesforce.com/en-us/spring19/release-notes/rn_vscode_forcecom_ide_retirement.htm
https://developer.salesforce.com/blogs/2018/12/the-future-of-salesforce-ides.html