Several versions of .NET 4 Framework will reach end-of-life status on April 26. Internet Explorer awaits the same faith.
Microsoft will no longer support or patch .NET Framework 4.5.2, 4.6 and 4.6.1 from 26 April 2022 onwards. The change is necessary. Microsoft will adopt digital certificates based on the Secure Hash Algorithm 1 protocol, which aren’t supported by the versions mentioned above.
Minimum .NET Framework 4.6.2
To receive the latest .NET Framework updates, you’re required to update to .NET Framework 4.6.2 or later. According to Microsoft, applications do not need to be recompiled or retargeted.
Other .NET Framework versions, including 3.5 SP1, will continue receiving support through the .NET Framework Lifecycle strategy.
In addition to .NET Framework, Microsoft is moving Internet Explorer to the end-of-life phase. On 15 June 2022, the browser is concluded. From then on, Edge is the only browser actively developed by Microsoft.